Pith Number

pith:NRBPUPMN

pith:2016:NRBPUPMNF4XQK77IN7CPEOFHAM

not attested not anchored not stored refs pending

From quantum foundations via natural language meaning to a theory of everything

Bob Coecke

arxiv:1602.07618 v1 · 2016-02-22 · cs.CL · 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{NRBPUPMNF4XQK77IN7CPEOFHAM}

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	2026-05-18T01:20:02.478911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c42fa3d8d2f2f057fe86fc4f238a703398cc30355067ce32146ca1b8ba8b853

Aliases

arxiv: 1602.07618 · arxiv_version: 1602.07618v1 · doi: 10.48550/arxiv.1602.07618 · pith_short_12: NRBPUPMNF4XQ · pith_short_16: NRBPUPMNF4XQK77I · pith_short_8: NRBPUPMN

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/NRBPUPMNF4XQK77IN7CPEOFHAM \
  | 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: 6c42fa3d8d2f2f057fe86fc4f238a703398cc30355067ce32146ca1b8ba8b853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94eb763b0dea8f76fc1eb61286776691726cb56f12f3e9f2974481b056fb7d7",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-02-22T16:17:54Z",
    "title_canon_sha256": "ff2aa3a3795f8a0d4e93143535d1bdf875f13f140e30187bfefbe5cf6ee9b503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07618",
    "kind": "arxiv",
    "version": 1
  }
}