Pith Number

pith:4NP7YPBL

pith:2016:4NP7YPBLWNUX2VRWKWWFJKPUWO

not attested not anchored not stored refs pending

Discriminative Information Retrieval for Knowledge Discovery

Benjamin Van Durme, Tongfei Chen

arxiv:1610.01901 v1 · 2016-10-06 · 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{4NP7YPBLWNUX2VRWKWWFJKPUWO}

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	2026-05-18T01:03:04.515516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35ffc3c2bb3697d563655ac54a9f4b395264ecc0f626fe9c0f0c60b51b87d8f

Aliases

arxiv: 1610.01901 · arxiv_version: 1610.01901v1 · doi: 10.48550/arxiv.1610.01901 · pith_short_12: 4NP7YPBLWNUX · pith_short_16: 4NP7YPBLWNUX2VRW · pith_short_8: 4NP7YPBL

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/4NP7YPBLWNUX2VRWKWWFJKPUWO \
  | 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: e35ffc3c2bb3697d563655ac54a9f4b395264ecc0f626fe9c0f0c60b51b87d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2916a57f2371b0380dba22176eb1ed54c1f8765f365f893cfdafe3505c0f681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-10-06T15:04:10Z",
    "title_canon_sha256": "5615f5be93369217b213bc68cd11cc9ef257cfab1afbac0f1766e8f650739d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01901",
    "kind": "arxiv",
    "version": 1
  }
}