Pith Number

pith:PH4DFVY7

pith:2017:PH4DFVY76F252V2W56D5G3P5AY

not attested not anchored not stored refs pending

Fine Grained Citation Span for References in Wikipedia

Avishek Anand, Besnik Fetahu, Katja Markert

arxiv:1707.07278 v1 · 2017-07-23 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PH4DFVY76F252V2W56D5G3P5AY}

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	2026-05-18T00:39:42.700566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f832d71ff175dd5756ef87d36dfd0608adcabe488a9d42ceaf6b383b75b90d

Aliases

arxiv: 1707.07278 · arxiv_version: 1707.07278v1 · doi: 10.48550/arxiv.1707.07278 · pith_short_12: PH4DFVY76F25 · pith_short_16: PH4DFVY76F252V2W · pith_short_8: PH4DFVY7

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/PH4DFVY76F252V2W56D5G3P5AY \
  | 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: 79f832d71ff175dd5756ef87d36dfd0608adcabe488a9d42ceaf6b383b75b90d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96968de72c4c060cf9d6510399468116e010319b84fb9efdc3707a8a34004ca7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-23T10:43:26Z",
    "title_canon_sha256": "f9d518d58047e578a5a1fa3a50028aa065e9f3cdc9373337537396e8765229ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07278",
    "kind": "arxiv",
    "version": 1
  }
}