Pith Number

pith:OTHJOFX3

pith:2016:OTHJOFX3D4USITDAZ5PYWPB6FT

not attested not anchored not stored refs pending

Cohomological framework for contextual quantum computations

Robert Raussendorf

arxiv:1602.04155 v4 · 2016-02-12 · 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{OTHJOFX3D4USITDAZ5PYWPB6FT}

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	2026-07-05T00:27:27.595800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ce9716fb1f29244c60cf5f8b3c3e2cd4712903b0dab45562a301113b96a929

Aliases

arxiv: 1602.04155 · arxiv_version: 1602.04155v4 · doi: 10.48550/arxiv.1602.04155 · pith_short_12: OTHJOFX3D4US · pith_short_16: OTHJOFX3D4USITDA · pith_short_8: OTHJOFX3

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/OTHJOFX3D4USITDAZ5PYWPB6FT \
  | 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: 74ce9716fb1f29244c60cf5f8b3c3e2cd4712903b0dab45562a301113b96a929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3899bec8e47efdff6cb2e659010e115f3b5645268a57ab2d090f942814ec3bd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-12T18:48:03Z",
    "title_canon_sha256": "2f7925ef0f0de10c23c6fcdb9030f8023d6e1382418aa1a13812d63a564ceee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04155",
    "kind": "arxiv",
    "version": 4
  }
}