Pith Number

pith:7JX57VAM

pith:2017:7JX57VAMEYCE7ZYZ3TEP3GBCY4

not attested not anchored not stored refs pending

Using Titles vs. Full-text as Source for Automated Semantic Document Annotation

Alan Schelten, Ansgar Scherp, Dennis Brunsch, Florian Mai, Lukas Galke

arxiv:1705.05311 v2 · 2017-05-15 · cs.DL · 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{7JX57VAMEYCE7ZYZ3TEP3GBCY4}

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	2026-05-18T00:34:15.218143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6fdfd40c26044fe719dcc8fd9822c7348e9e7a227b7a774684f66f7d5a12f6

Aliases

arxiv: 1705.05311 · arxiv_version: 1705.05311v2 · doi: 10.48550/arxiv.1705.05311 · pith_short_12: 7JX57VAMEYCE · pith_short_16: 7JX57VAMEYCE7ZYZ · pith_short_8: 7JX57VAM

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/7JX57VAMEYCE7ZYZ3TEP3GBCY4 \
  | 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: fa6fdfd40c26044fe719dcc8fd9822c7348e9e7a227b7a774684f66f7d5a12f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0247267c32f9c78e3ef3a006ad2cab38591d07e912bd3e110d67f95d1ee80676",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-05-15T16:07:35Z",
    "title_canon_sha256": "808ecbdd6841e5d2a48d53844b222fbc6d3116d9e83c279f3dd5aa3fd4e640e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05311",
    "kind": "arxiv",
    "version": 2
  }
}