Pith Number

pith:U5MVBOSA

pith:2014:U5MVBOSA25Q4QROOKEIDL6NHBZ

not attested not anchored not stored refs pending

A Framework for Evaluation of Composite Memento Temporal Coherence

Herbert Van de Sompel, Michael L. Nelson, Scott G. Ainsworth

arxiv:1402.0928 v3 · 2014-02-05 · 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{U5MVBOSA25Q4QROOKEIDL6NHBZ}

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	2026-05-18T02:41:08.690822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75950ba40d761c845ce511035f9a70e694513450820a451f9d23c7f117b7533

Aliases

arxiv: 1402.0928 · arxiv_version: 1402.0928v3 · doi: 10.48550/arxiv.1402.0928 · pith_short_12: U5MVBOSA25Q4 · pith_short_16: U5MVBOSA25Q4QROO · pith_short_8: U5MVBOSA

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/U5MVBOSA25Q4QROOKEIDL6NHBZ \
  | 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: a75950ba40d761c845ce511035f9a70e694513450820a451f9d23c7f117b7533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8674d4ae206b028b44af9eb4ac65f098a8ea749af3a638c66f91482089ab2ab0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2014-02-05T03:50:33Z",
    "title_canon_sha256": "cb85058e242e6cf45b18c551ce7d9b709026592e0728feba369da8626044b92b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0928",
    "kind": "arxiv",
    "version": 3
  }
}