Pith Number

pith:4J67NMPN

pith:2015:4J67NMPNSU7MQKZ6ZRP3KQFINN

not attested not anchored not stored refs pending

Towards Exascale Scientific Metadata Management

Spyros Blanas, Surendra Byna

arxiv:1503.08482 v1 · 2015-03-29 · 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{4J67NMPNSU7MQKZ6ZRP3KQFINN}

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	2026-05-18T02:20:01.669484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e27df6b1ed953ec82b3ecc5fb540a86b5f474e599a1235d82dfd4e20bcf5f433

Aliases

arxiv: 1503.08482 · arxiv_version: 1503.08482v1 · doi: 10.48550/arxiv.1503.08482 · pith_short_12: 4J67NMPNSU7M · pith_short_16: 4J67NMPNSU7MQKZ6 · pith_short_8: 4J67NMPN

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/4J67NMPNSU7MQKZ6ZRP3KQFINN \
  | 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: e27df6b1ed953ec82b3ecc5fb540a86b5f474e599a1235d82dfd4e20bcf5f433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "114194bf4890f575eac2d88537f369df390531fcc7e41c2e0172cccaf78ac501",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-03-29T19:13:18Z",
    "title_canon_sha256": "64887019f6bf975aa3a9067940c5f8fbd20572a80eca7d4285f491ddad68fb41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08482",
    "kind": "arxiv",
    "version": 1
  }
}