pith. sign in
Pith Number

pith:H3K3OSPK

pith:2013:H3K3OSPK5XEYWN7DQPTVO6HAHX
not attested not anchored not stored refs pending

Collaborative digital library of historical resources: Evaluation of first users

A. Abdullah, A. N. Zainab

arxiv:1301.5398 v1 · 2013-01-23 · cs.HC · cs.DL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{H3K3OSPK5XEYWN7DQPTVO6HAHX}

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 2026-05-18T03:35:40.034734Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3ed5b749eaedc98b37e383e75778e03ddc19ae66b52d7d70be69fcf32dc0cafc

Aliases

arxiv: 1301.5398 · arxiv_version: 1301.5398v1 · doi: 10.48550/arxiv.1301.5398 · pith_short_12: H3K3OSPK5XEY · pith_short_16: H3K3OSPK5XEYWN7D · pith_short_8: H3K3OSPK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/H3K3OSPK5XEYWN7DQPTVO6HAHX \
  | 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: 3ed5b749eaedc98b37e383e75778e03ddc19ae66b52d7d70be69fcf32dc0cafc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2acb06e1cebab31cc19dfea5890c855f5c9f8b397b1a5aea418d1aee8c2970ef",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2013-01-23T03:58:14Z",
    "title_canon_sha256": "b973c95b3715f2f37457fb44d754982046d14ddddbec4db06ffd85dd67ffaecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5398",
    "kind": "arxiv",
    "version": 1
  }
}