Pith Number

pith:O4UNJCCP

pith:2021:O4UNJCCPFSLHY2I6QJ7YFJVHX2

not attested not anchored not stored refs pending

Observation of Time-Crystalline Eigenstate Order on a Quantum Processor

Adam Zalcman, Aditya Locharla, Alan Ho, Alan R. Derk, Alexander Bilmes, Alexander N. Korotkov, Alexandre Bourassa, Alexei Kitaev, Alex Opremcak, Ami Greene, Andreas Bengtsson, Andre Petukhov, Andrew Dunsworth, Anthony Megrant, Ashley Huff, Austin G. Fowler, Balint Pato, Benjamin Chiaro, Benjamin Villalonga, Bob B. Buckley, Brian Burkett, Brooks Foxen, Catherine Erickson, Charles Neill, Chris Quintana, Cody Jones, Craig Gidney, Daniel Eppens, Daniel Sank, David A. Buell, David Landhuis, Doug Strain, Dripto Debroy, Dvir Kafri, Edward Farhi, Eric Ostby, Erik Lucero, Evan Jeffrey, Fedor Kostritsa, Frank Arute, Hartmut Neven, Jarrod R. McClean, Jeremy Hilton, Joao Basso, Jonathan Gross, Joonho Lee, Joseph C. Bardin, Juan Atalaya, Juhwan Yoo, Julian Kelly, Justin Iveland, Kenny Lee, Kevin C. Miao, Kevin J. Satzinger, Kostyantyn Kechedzhi, Kunal Arya, L. B. Ioffe, Leon Brill, Marco Szalay, Marissa Giustina, Masoud Mohseni, Matteo Ippoliti, Matthew D. Trevithick, Matthew Neeley, Matthew P. Harrigan, Matt McEwen, Michael Broughton, Michael Newman, Murphy Yuezhen Niu, Nicholas Bushnell, Nicholas C. Rubin, Ofer Naaman, Orion Martin, Paul V. Klimov, Pavel Laptev, Pedram Roushan, Ping Yeh, Roberto Collins, Roderich Moessner, Ryan Babbush, Sabrina Hong, Sean Demura, Sean D. Harrington, Seon Kim, Sergei V. Isakov, Sergio Boixo, Shirin Montazeri, S. L. Sondhi, Tanuj Khattar, Theodore White, Thomas E. O\' Brien, Trent Huang, Trevor McCourt, Vadim Smelyanskiy, Vedika Khemani, Vladimir Shvarts, William Courtney, William J. Huggins, Wojciech Mruczkiewicz, Xiao Mi, Yuan Su, Yu Chen, Zhang Jiang, Zijun Chen, Z. Jamie Yao

arxiv:2107.13571 v2 · 2021-07-28 · quant-ph · cond-mat.dis-nn · cond-mat.stat-mech · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4UNJCCPFSLHY2I6QJ7YFJVHX2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:55:29.154819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7728d4884f2c967c691e827f82a6a7be926f6d206474a5934b614406839033e5

Aliases

arxiv: 2107.13571 · arxiv_version: 2107.13571v2 · doi: 10.48550/arxiv.2107.13571 · pith_short_12: O4UNJCCPFSLH · pith_short_16: O4UNJCCPFSLHY2I6 · pith_short_8: O4UNJCCP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O4UNJCCPFSLHY2I6QJ7YFJVHX2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7728d4884f2c967c691e827f82a6a7be926f6d206474a5934b614406839033e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edc5d5e441b985a77fd50b8f933cc00cf24126153a4819eb6ad505f43e1e48b6",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-28T18:00:03Z",
    "title_canon_sha256": "c84435e75897cef1f40957d684f99bfc99f5a32ec34579a8d07a538a7ecb963f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13571",
    "kind": "arxiv",
    "version": 2
  }
}