Pith Number

pith:FPU2NR6C

pith:2017:FPU2NR6CINT7QHB7AMXR4MN5AB

not attested not anchored not stored refs pending

Extracting Core Claims from Scientific Articles

Tobias Kuhn, Tom Jansen

arxiv:1707.07678 v1 · 2017-07-24 · cs.IR · cs.CL · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPU2NR6CINT7QHB7AMXR4MN5AB}

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	2026-05-18T00:39:30.689407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2be9a6c7c24367f81c3f032f1e31bd0069cfb019146155b9db7559acd8813ff2

Aliases

arxiv: 1707.07678 · arxiv_version: 1707.07678v1 · doi: 10.48550/arxiv.1707.07678 · pith_short_12: FPU2NR6CINT7 · pith_short_16: FPU2NR6CINT7QHB7 · pith_short_8: FPU2NR6C

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/FPU2NR6CINT7QHB7AMXR4MN5AB \
  | 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: 2be9a6c7c24367f81c3f032f1e31bd0069cfb019146155b9db7559acd8813ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba96499a6014f45944f83d1155c98c99e76db8400795faf3d36ff819dfe50b29",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-07-24T15:10:40Z",
    "title_canon_sha256": "0de718f62de910f983bbda73e7ab44f0555e7c9354543c404abaea221d6953f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07678",
    "kind": "arxiv",
    "version": 1
  }
}