Pith Number

pith:DW6UNF7I

pith:2013:DW6UNF7IPGIA4KLCJKZWSAQBNN

not attested not anchored not stored refs pending

Extracting the information backbone in online system

An Zeng, Ming-Sheng Shang, Qian-Ming Zhang

arxiv:1303.6369 v1 · 2013-03-26 · cs.IR · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DW6UNF7IPGIA4KLCJKZWSAQBNN}

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	2026-05-18T01:50:52.833304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dbd4697e879900e29624ab36902016b6afafce54d29af729476e418f506afc6

Aliases

arxiv: 1303.6369 · arxiv_version: 1303.6369v1 · doi: 10.48550/arxiv.1303.6369 · pith_short_12: DW6UNF7IPGIA · pith_short_16: DW6UNF7IPGIA4KLC · pith_short_8: DW6UNF7I

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/DW6UNF7IPGIA4KLCJKZWSAQBNN \
  | 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: 1dbd4697e879900e29624ab36902016b6afafce54d29af729476e418f506afc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c743304667489e7da5f1bd9d2b4cc2c9ba154a23b75fd01a57bf74b242f5ed27",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-03-26T02:32:15Z",
    "title_canon_sha256": "07f464f975768f1389828e5135ea8367ef39466debf113bab0df780087d96995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6369",
    "kind": "arxiv",
    "version": 1
  }
}