Pith Number

pith:G6LZXHRW

pith:2019:G6LZXHRWV62UEYLI2QSB5DEKJM

not attested not anchored not stored refs pending

Bootstrapping Domain-Specific Content Discovery on the Web

A\'ecio Santos, Juliana Freire, Kien Pham

arxiv:1902.09667 v1 · 2019-02-25 · 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{G6LZXHRWV62UEYLI2QSB5DEKJM}

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	2026-05-17T23:52:35.626521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37979b9e36afb5426168d4241e8c8a4b01c36a6318bef3e14b6912d76d38c82f

Aliases

arxiv: 1902.09667 · arxiv_version: 1902.09667v1 · doi: 10.48550/arxiv.1902.09667 · pith_short_12: G6LZXHRWV62U · pith_short_16: G6LZXHRWV62UEYLI · pith_short_8: G6LZXHRW

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/G6LZXHRWV62UEYLI2QSB5DEKJM \
  | 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: 37979b9e36afb5426168d4241e8c8a4b01c36a6318bef3e14b6912d76d38c82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673eace845378d590c754b5695a8a1315e670515b8070cac1abd67364698f70a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-02-25T23:58:38Z",
    "title_canon_sha256": "6905eeec5b7ffce3fc390fc4e457b8b6b9f6fc048a15cf3ac9d71f5e158a1f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09667",
    "kind": "arxiv",
    "version": 1
  }
}