Pith Number

pith:U3EDQXED

pith:2016:U3EDQXEDJZPUH5IDCGSZ2JJTSX

not attested not anchored not stored refs pending

Comparing Published Scientific Journal Articles to Their Pre-print Versions

Martin Klein, Peter Broadwell, Sharon E. Farb, Todd Grappone

arxiv:1604.05363 v1 · 2016-04-18 · 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{U3EDQXEDJZPUH5IDCGSZ2JJTSX}

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	2026-05-18T01:16:54.184663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c8385c834e5f43f50311a59d253395ddc4829dba1d27bee335a0bed27cea62

Aliases

arxiv: 1604.05363 · arxiv_version: 1604.05363v1 · doi: 10.48550/arxiv.1604.05363 · pith_short_12: U3EDQXEDJZPU · pith_short_16: U3EDQXEDJZPUH5ID · pith_short_8: U3EDQXED

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/U3EDQXEDJZPUH5IDCGSZ2JJTSX \
  | 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: a6c8385c834e5f43f50311a59d253395ddc4829dba1d27bee335a0bed27cea62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44256647ffc71e2c9a0bf9e9f436887414ac2cae78ea1823ebd5ba7a48177685",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-04-18T22:06:20Z",
    "title_canon_sha256": "44af2f16efec29ec707779a3236a021698fdec6ea218c650c02ea3ee082f2271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05363",
    "kind": "arxiv",
    "version": 1
  }
}