Pith Number

pith:3PN42MB4

pith:2012:3PN42MB47KVT4OBXEBNUFWLXSH

not attested not anchored not stored refs pending

The structure of causal sets

Christian Wuthrich

arxiv:1207.1568 v1 · 2012-07-06 · physics.hist-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PN42MB47KVT4OBXEBNUFWLXSH}

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	2026-05-18T03:21:08.565185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdbcd303cfaab3e3837205b42d97791e53c49a97e13ce0b1ad096dc6185f42b

Aliases

arxiv: 1207.1568 · arxiv_version: 1207.1568v1 · doi: 10.48550/arxiv.1207.1568 · pith_short_12: 3PN42MB47KVT · pith_short_16: 3PN42MB47KVT4OBX · pith_short_8: 3PN42MB4

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/3PN42MB47KVT4OBXEBNUFWLXSH \
  | 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: dbdbcd303cfaab3e3837205b42d97791e53c49a97e13ce0b1ad096dc6185f42b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edb0911d2beb3b71ab0a0d6f7d00a4e4e60301dfec981d50d8fd27f269801195",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-07-06T09:39:04Z",
    "title_canon_sha256": "b21ffddb2492ffe6f7c49900f19fc3b82a5fea9937f122ccfdd0076720fe1aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1568",
    "kind": "arxiv",
    "version": 1
  }
}