Pith Number

pith:IFZPLMHU

pith:2026:IFZPLMHUYGL4HYLHFRNZ6ICST3

not attested not anchored not stored refs pending

Observable Estimation in the Absence of Classical Verification

Abhinav Kandala, Alireza Seif, Andrew Eddins, Boris Sokolov, Bradley Mitchell, Brendan Saxberg, Daniel Puzzuoli, Darvin Wanisch, Davide Materia, Ewout van den Berg, Francesca Pietracaprina, Francesco Grieco, Guillermo Garc\'ia-P\'erez, Holger Haas, Ian Hincks, Ilan Rosen, Ilaria Siloi, James Raftery, Jay-U Chung, Jesse C. Hoke, John Goold, Joseph Tindall, Joshua Skanes-Norman, Karthik Siva, Kevin C Smith, Liran Shirizly, Luke C. G. Govia, Maika Takita, Manuel Rudolph, Mao Tian Tan, Matteo A.C. Rossi, Max Rossmannek, Minh C. Tran, Ram\'on L. Panad\'es-Barrueta, Ricardo Rivera Cardoso, Sabrina Maniscalco, Samantha V. Barron, Sam Ferracin, Sergei N. Filippov, Simone Montangero, Su-un Lee, Swarnadeep Majumder, Toma\v{z} Prosen, Vinay Tripathi, Yanting Teng, Youngseok Kim, Zo\"e Holmes, Zolt\'an Zimbor\'as

arxiv:2607.25998 v1 · 2026-07-28 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFZPLMHUYGL4HYLHFRNZ6ICST3}

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	2026-07-29T01:26:18.607081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4172f5b0f4c197c3e1672c5b9f20529efc54f9a3de66c930d78ddc92ac3a2fa5

Aliases

arxiv: 2607.25998 · arxiv_version: 2607.25998v1 · doi: 10.48550/arxiv.2607.25998 · pith_short_12: IFZPLMHUYGL4 · pith_short_16: IFZPLMHUYGL4HYLH · pith_short_8: IFZPLMHU

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/IFZPLMHUYGL4HYLHFRNZ6ICST3 \
  | 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: 4172f5b0f4c197c3e1672c5b9f20529efc54f9a3de66c930d78ddc92ac3a2fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5041f4204d1e960b79cdd3ee2a994524a74d92ce14f281adbfb90062556a352e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-28T17:14:26Z",
    "title_canon_sha256": "d633c30eefce8b6ea90027471614096005b6b1c043256dce8f333856a854cb7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25998",
    "kind": "arxiv",
    "version": 1
  }
}