Pith Number

pith:Q2BECQPG

pith:2017:Q2BECQPGNMULBKZBCBORIWZA3W

not attested not anchored not stored refs pending

Difficulty of distinguishing product states locally

Sarah Croke, Stephen M Barnett

arxiv:1701.02579 v1 · 2017-01-10 · 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{Q2BECQPGNMULBKZBCBORIWZA3W}

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	2026-05-18T00:49:10.155039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86824141e66b28b0ab21105d145b20dd914b3d7e4713d6b99441e82c0f39ffe6

Aliases

arxiv: 1701.02579 · arxiv_version: 1701.02579v1 · doi: 10.48550/arxiv.1701.02579 · pith_short_12: Q2BECQPGNMUL · pith_short_16: Q2BECQPGNMULBKZB · pith_short_8: Q2BECQPG

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/Q2BECQPGNMULBKZBCBORIWZA3W \
  | 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: 86824141e66b28b0ab21105d145b20dd914b3d7e4713d6b99441e82c0f39ffe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4b5b388fe3ee981e1629ee9bf1302a0e79f766a7499621809a8036001374154",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-10T13:25:25Z",
    "title_canon_sha256": "af11a5ea0158c93c4fb264858ec59deaca16eee76d889d683c66ee02e64c69cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02579",
    "kind": "arxiv",
    "version": 1
  }
}