Pith Number

pith:UQNJ4OR4

pith:2011:UQNJ4OR4E32ZFNXBCXLFWLDMJ7

not attested not anchored not stored refs pending

A General Framework for Representing, Reasoning and Querying with Annotated Semantic Web Data

Antoine Zimmermann, Axel Polleres, Nuno Lopes, Umberto Straccia

arxiv:1103.1255 v1 · 2011-03-07 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQNJ4OR4E32ZFNXBCXLFWLDMJ7}

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	2026-05-18T04:27:16.814813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41a9e3a3c26f592b6e115d65b2c6c4fde31deb5dd8fdc37016a4802c2fce7dc

Aliases

arxiv: 1103.1255 · arxiv_version: 1103.1255v1 · doi: 10.48550/arxiv.1103.1255 · pith_short_12: UQNJ4OR4E32Z · pith_short_16: UQNJ4OR4E32ZFNXB · pith_short_8: UQNJ4OR4

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/UQNJ4OR4E32ZFNXBCXLFWLDMJ7 \
  | 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: a41a9e3a3c26f592b6e115d65b2c6c4fde31deb5dd8fdc37016a4802c2fce7dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59fb5251af461bdf7a821a03d579bdf99d9815e2ef3a8b699512e374f8aaf11a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-03-07T11:43:58Z",
    "title_canon_sha256": "2af2635978abeec0896bae417814b7b8f2b90392e1063b04721b0ca768ff598d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1255",
    "kind": "arxiv",
    "version": 1
  }
}