Pith Number

pith:75W3COL2

pith:2015:75W3COL2OZOSE6YGYGQJBGJDYW

not attested not anchored not stored refs pending

Weights and conservativity

J\"org Wildeshaus

arxiv:1509.03532 v3 · 2015-09-11 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75W3COL2OZOSE6YGYGQJBGJDYW}

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	2026-05-18T00:02:55.359609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff6db1397a765d227b06c1a0909923c5bb7aa449312baedba945fb383842ba6e

Aliases

arxiv: 1509.03532 · arxiv_version: 1509.03532v3 · doi: 10.48550/arxiv.1509.03532 · pith_short_12: 75W3COL2OZOS · pith_short_16: 75W3COL2OZOSE6YG · pith_short_8: 75W3COL2

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/75W3COL2OZOSE6YGYGQJBGJDYW \
  | 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: ff6db1397a765d227b06c1a0909923c5bb7aa449312baedba945fb383842ba6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84cc49ec9cf784f7dcfd1135e9ba40b74863b306d917cd2e340194ff4d0e13c",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-09-11T14:26:28Z",
    "title_canon_sha256": "41b0d033234e56b547c3ccc6646bd6805444897f04785f42afc5818049351818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03532",
    "kind": "arxiv",
    "version": 3
  }
}