Pith Number

pith:CYFB2DWG

pith:2014:CYFB2DWGZVST5YR665QFQV7JYV

not attested not anchored not stored refs pending

Aca 2.0: Questions and Answers

Mark Thompson, Raphael Poss, Rob Jelier, Sebastian Altmeyer

arxiv:1404.7753 v4 · 2014-04-30 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYFB2DWGZVST5YR665QFQV7JYV}

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	2026-05-18T02:50:42.251450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

160a1d0ec6cd653ee23ef7605857e9c5585022fc11e2a075faa4b739298520f8

Aliases

arxiv: 1404.7753 · arxiv_version: 1404.7753v4 · doi: 10.48550/arxiv.1404.7753 · pith_short_12: CYFB2DWGZVST · pith_short_16: CYFB2DWGZVST5YR6 · pith_short_8: CYFB2DWG

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/CYFB2DWGZVST5YR665QFQV7JYV \
  | 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: 160a1d0ec6cd653ee23ef7605857e9c5585022fc11e2a075faa4b739298520f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ed891fe7cea765bfad359017dc1e171c933e116e729911e96e7c776e56d0d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2014-04-30T15:03:02Z",
    "title_canon_sha256": "560c3946c07515a0a621b1aa6baaee1bef71f746a2e0f6c3b9deffc75328c65a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7753",
    "kind": "arxiv",
    "version": 4
  }
}