Pith Number

pith:4LFWT37F

pith:2019:4LFWT37F3ZOJ6EXF42M6RZUQE4

not attested not anchored not stored refs pending

The sameAs Problem: A Survey on Identity Management in the Web of Data

Fatiha Sa\"is, Frank van Harmelen, Joe Raad, Nathalie Pernelle, Wouter Beek

arxiv:1907.10528 v1 · 2019-07-24 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LFWT37F3ZOJ6EXF42M6RZUQE4}

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	2026-05-17T23:39:37.640113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2cb69efe5de5c9f12e5e699e8e6902709909eca8db847f65028af0689b05fd7

Aliases

arxiv: 1907.10528 · arxiv_version: 1907.10528v1 · doi: 10.48550/arxiv.1907.10528 · pith_short_12: 4LFWT37F3ZOJ · pith_short_16: 4LFWT37F3ZOJ6EXF · pith_short_8: 4LFWT37F

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/4LFWT37F3ZOJ6EXF42M6RZUQE4 \
  | 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: e2cb69efe5de5c9f12e5e699e8e6902709909eca8db847f65028af0689b05fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ec05f6ba9d0aab6beff6c0dbe91f0ff416d4377dbce0fde51316e606d2d456",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-07-24T15:42:22Z",
    "title_canon_sha256": "6f73071e0ab2cd3c2b487e551cbbac2880527d7443e53e4eec9f2c7a7d2413a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10528",
    "kind": "arxiv",
    "version": 1
  }
}