Pith Number

pith:4BQCUMGF

pith:2010:4BQCUMGF6D34SRDNMDVXYSCOZM

not attested not anchored not stored refs pending

ChemCloud: Chemical e-Science Information Cloud

Adrian Paschke, Alexandru Todor, Stephan Heineke

arxiv:1012.1645 v1 · 2010-12-07 · 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{4BQCUMGF6D34SRDNMDVXYSCOZM}

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	2026-05-18T04:33:51.589839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8

Aliases

arxiv: 1012.1645 · arxiv_version: 1012.1645v1 · doi: 10.48550/arxiv.1012.1645 · pith_short_12: 4BQCUMGF6D34 · pith_short_16: 4BQCUMGF6D34SRDN · pith_short_8: 4BQCUMGF

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/4BQCUMGF6D34SRDNMDVXYSCOZM \
  | 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: e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9128b513ed848745392003c1798d1ba5c6cd4af69afed7ac2e64165b1482b91d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2010-12-07T23:52:54Z",
    "title_canon_sha256": "c6eae5bad991f75e5b26e5b396ab6be0d3429170072431da02b8b403a06632d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1645",
    "kind": "arxiv",
    "version": 1
  }
}