Pith Number

pith:CN6V3KQS

pith:2013:CN6V3KQS5ML5HX3LDPTIYVYQPJ

not attested not anchored not stored refs pending

Profiling Web Archive Coverage for Top-Level Domain and Content Language

Ahmed AlSum, Herbert Van de Sompel, Michael L. Nelson, Michele C. Weigle

arxiv:1309.4008 v1 · 2013-09-16 · 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{CN6V3KQS5ML5HX3LDPTIYVYQPJ}

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	2026-05-18T03:13:11.517650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

137d5daa12eb17d3df6b1be68c57107a536316d37f7d33b66a223270a56abfcf

Aliases

arxiv: 1309.4008 · arxiv_version: 1309.4008v1 · doi: 10.48550/arxiv.1309.4008 · pith_short_12: CN6V3KQS5ML5 · pith_short_16: CN6V3KQS5ML5HX3L · pith_short_8: CN6V3KQS

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/CN6V3KQS5ML5HX3LDPTIYVYQPJ \
  | 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: 137d5daa12eb17d3df6b1be68c57107a536316d37f7d33b66a223270a56abfcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26594f36c40f46ab8e6ae6fec6539f17d91dda7f7310216fc47d715d7175fd35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-09-16T15:39:35Z",
    "title_canon_sha256": "70abaaf2760c022f94dea893e6b190373350f2cf02327148117696bfce7549c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4008",
    "kind": "arxiv",
    "version": 1
  }
}