Pith Number

pith:CW4CTXJW

pith:2019:CW4CTXJW54Y2VRAAF2E5U472J2

not attested not anchored not stored refs pending

COH, SRT22, and multiple functionals

Damir Dzhafarov, Ludovic Patey

arxiv:1905.00321 v3 · 2019-05-01 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CW4CTXJW54Y2VRAAF2E5U472J2}

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	2026-07-05T01:15:49.596381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b829dd36ef31aac4002e89da73fa4ebe2419f29e697e85c64bd3e8d935a430

Aliases

arxiv: 1905.00321 · arxiv_version: 1905.00321v3 · doi: 10.48550/arxiv.1905.00321 · pith_short_12: CW4CTXJW54Y2 · pith_short_16: CW4CTXJW54Y2VRAA · pith_short_8: CW4CTXJW

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/CW4CTXJW54Y2VRAAF2E5U472J2 \
  | 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: 15b829dd36ef31aac4002e89da73fa4ebe2419f29e697e85c64bd3e8d935a430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55301a4b3c6089990a2530c17bbff526a57ce9d0973b41a7113dd18797de1e57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-01T14:12:43Z",
    "title_canon_sha256": "2394c8c23f165e381646e1c1f51d631a7eb349b3f2fbd1e03d7aac489ea5d01f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00321",
    "kind": "arxiv",
    "version": 3
  }
}