Pith Number

pith:6MOJEEQI

pith:2013:6MOJEEQIGRM6XM2TCSDEDKPXJG

not attested not anchored not stored refs pending

Timely crawling of high-quality ephemeral new content

Damien Lefortier, Egor Samosvat, Liudmila Ostroumova, Pavel Serdyukov

arxiv:1307.6080 v2 · 2013-07-23 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MOJEEQIGRM6XM2TCSDEDKPXJG}

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	2026-05-18T03:17:43.968043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f31c9212083459ebb353148641a9f749b3172c0e6aa1ee844441b242fa47a522

Aliases

arxiv: 1307.6080 · arxiv_version: 1307.6080v2 · doi: 10.48550/arxiv.1307.6080 · pith_short_12: 6MOJEEQIGRM6 · pith_short_16: 6MOJEEQIGRM6XM2T · pith_short_8: 6MOJEEQI

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/6MOJEEQIGRM6XM2TCSDEDKPXJG \
  | 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: f31c9212083459ebb353148641a9f749b3172c0e6aa1ee844441b242fa47a522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e588da491a45890259868a453ff343162fb6211ef5cea89bc7144cba98ffa83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-07-23T13:52:14Z",
    "title_canon_sha256": "4b0377917919111281229a93ef72fcdf22fe7ec9980199664d9ccd58e2215ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6080",
    "kind": "arxiv",
    "version": 2
  }
}