Pith Number

pith:7XA7JG5V

pith:2018:7XA7JG5VUMJHKZ6ZPVGAKQQWTY

not attested not anchored not stored refs pending

Database Aggregation

Francesco Belardinelli, Umberto Grandi

arxiv:1802.08586 v1 · 2018-02-23 · 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{7XA7JG5VUMJHKZ6ZPVGAKQQWTY}

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	2026-05-18T00:22:41.099966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc1f49bb5a3127567d97d4c0542169e203b8df5b60cbcd900c0717402920833

Aliases

arxiv: 1802.08586 · arxiv_version: 1802.08586v1 · doi: 10.48550/arxiv.1802.08586 · pith_short_12: 7XA7JG5VUMJH · pith_short_16: 7XA7JG5VUMJHKZ6Z · pith_short_8: 7XA7JG5V

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/7XA7JG5VUMJHKZ6ZPVGAKQQWTY \
  | 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: fdc1f49bb5a3127567d97d4c0542169e203b8df5b60cbcd900c0717402920833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17024271009a0f21e8a989efbaaf48c3a9567bab84fe402d2dfc4221ca79c69b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-02-23T15:15:53Z",
    "title_canon_sha256": "16c6e9e2616fa92df6142bd5760e358b61148f79b4f97e97840d9564d0cded34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08586",
    "kind": "arxiv",
    "version": 1
  }
}