Pith Number

pith:2AA2SGBI

pith:2015:2AA2SGBIY6MRSROTCRZRT4PKOX

not attested not anchored not stored refs pending

LDQL: A Query Language for the Web of Linked Data (Extended Version)

Jorge P\'erez, Olaf Hartig

arxiv:1507.04614 v2 · 2015-07-16 · 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{2AA2SGBIY6MRSROTCRZRT4PKOX}

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	2026-05-18T01:36:37.651680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d001a91828c7991945d3147319f1ea75ec5ce8fc0597f026432b63fedbe40457

Aliases

arxiv: 1507.04614 · arxiv_version: 1507.04614v2 · doi: 10.48550/arxiv.1507.04614 · pith_short_12: 2AA2SGBIY6MR · pith_short_16: 2AA2SGBIY6MRSROT · pith_short_8: 2AA2SGBI

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/2AA2SGBIY6MRSROTCRZRT4PKOX \
  | 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: d001a91828c7991945d3147319f1ea75ec5ce8fc0597f026432b63fedbe40457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c084c88d32f4f355834b5a195f5679ef87a41472066ccd1fc091afcc6982c9f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-07-16T15:19:03Z",
    "title_canon_sha256": "6a45945549c594251cc47ced8cf073ebb62a4658834f903b6d7a94a3fb617745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04614",
    "kind": "arxiv",
    "version": 2
  }
}