Pith Number

pith:5M2O3VXU

pith:2013:5M2O3VXUESQWX76UTKMX4TNNMV

not attested not anchored not stored refs pending

Quantum speed limit for arbitrary initial states

Heng Fan, Junpeng Cao, Wei Han, Yingjie Zhang, Yunjie Xia

arxiv:1312.5071 v1 · 2013-12-18 · 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{5M2O3VXUESQWX76UTKMX4TNNMV}

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	2026-05-18T02:52:48.429250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb34edd6f424a16bffd49a997e4dad6569fa9127e37006591c3f8811bc35fa9f

Aliases

arxiv: 1312.5071 · arxiv_version: 1312.5071v1 · doi: 10.48550/arxiv.1312.5071 · pith_short_12: 5M2O3VXUESQW · pith_short_16: 5M2O3VXUESQWX76U · pith_short_8: 5M2O3VXU

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/5M2O3VXUESQWX76UTKMX4TNNMV \
  | 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: eb34edd6f424a16bffd49a997e4dad6569fa9127e37006591c3f8811bc35fa9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ce03bc3b2e5985d76291b5f74e2264acb20a12c6347a61114b4cfa8e08f9aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-18T09:26:26Z",
    "title_canon_sha256": "e70e3036d0dd9f77a21a57aaf206e07e0c34379b33fdea7f3301e34f210eab0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5071",
    "kind": "arxiv",
    "version": 1
  }
}