Pith Number

pith:ZFUFC6RJ

pith:2018:ZFUFC6RJ7HAN6SJ4DCW24SGKCW

not attested not anchored not stored refs pending

Timelets on causal sets

Roman Zapatrin

arxiv:1801.07159 v2 · 2018-01-18 · 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{ZFUFC6RJ7HAN6SJ4DCW24SGKCW}

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	2026-05-18T00:25:07.103924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c968517a29f9c0df493c18adae48ca15abd6077b288dcc6d8ec39f27b217e57f

Aliases

arxiv: 1801.07159 · arxiv_version: 1801.07159v2 · doi: 10.48550/arxiv.1801.07159 · pith_short_12: ZFUFC6RJ7HAN · pith_short_16: ZFUFC6RJ7HAN6SJ4 · pith_short_8: ZFUFC6RJ

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/ZFUFC6RJ7HAN6SJ4DCW24SGKCW \
  | 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: c968517a29f9c0df493c18adae48ca15abd6077b288dcc6d8ec39f27b217e57f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a4f8b36bf69dfc9de5412372236cd5667268a9298f591a67cec9a5b639bf53a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-18T13:50:13Z",
    "title_canon_sha256": "64ab4722311013a428e18423ab497efb4ee65f517ecea889bced2dabac9a6c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07159",
    "kind": "arxiv",
    "version": 2
  }
}