Pith Number

pith:BSYGYH5W

pith:2012:BSYGYH5WS4PCDC2ZM3UNDCRESL

not attested not anchored not stored refs pending

Toward a Comparative Cognitive History: Archimedes and D. H. J. Polymath

Lav R. Varshney

arxiv:1204.3534 v1 · 2012-04-16 · cs.SI · math.HO · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSYGYH5WS4PCDC2ZM3UNDCRESL}

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	2026-05-18T03:57:51.275804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cb06c1fb6971e218b5966e8d18a2492ee9825c913f4cd5d2739c302fe06cfd0

Aliases

arxiv: 1204.3534 · arxiv_version: 1204.3534v1 · doi: 10.48550/arxiv.1204.3534 · pith_short_12: BSYGYH5WS4PC · pith_short_16: BSYGYH5WS4PCDC2Z · pith_short_8: BSYGYH5W

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/BSYGYH5WS4PCDC2ZM3UNDCRESL \
  | 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: 0cb06c1fb6971e218b5966e8d18a2492ee9825c913f4cd5d2739c302fe06cfd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6fc84e0988847b5bc8e84f420cf3ed1e624fe66f033d3e77aa740c897f999c6",
    "cross_cats_sorted": [
      "math.HO",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-04-16T15:46:02Z",
    "title_canon_sha256": "900edf0dffa27c6ebb9cd0b3b73880724f29f5c92db92b563062c1e166a87a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3534",
    "kind": "arxiv",
    "version": 1
  }
}