Pith Number

pith:76M7D6TE

pith:2013:76M7D6TEMVROHY2IO5HI3MCQMD

not attested not anchored not stored refs pending

Flexible and Extensible Digital Object and Repository Architecture (FEDORA)

Carl Lagoze, Sandra Payette

arxiv:1312.1258 v1 · 2013-12-04 · 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{76M7D6TEMVROHY2IO5HI3MCQMD}

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	2026-05-18T03:05:28.903013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff99f1fa646562e3e348774e8db05060f08d5fb03e48ebb768bcf12df26dd97e

Aliases

arxiv: 1312.1258 · arxiv_version: 1312.1258v1 · doi: 10.48550/arxiv.1312.1258 · pith_short_12: 76M7D6TEMVRO · pith_short_16: 76M7D6TEMVROHY2I · pith_short_8: 76M7D6TE

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/76M7D6TEMVROHY2IO5HI3MCQMD \
  | 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: ff99f1fa646562e3e348774e8db05060f08d5fb03e48ebb768bcf12df26dd97e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61aa920e21260f146125c9cd97acb1574511aa2957b2225802383c12a5b1b302",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-12-04T17:52:13Z",
    "title_canon_sha256": "9526e7780e7a06bc7fc5540149acb9f74979497e2f44696bad632a5a1709c8dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1258",
    "kind": "arxiv",
    "version": 1
  }
}