Pith Number

pith:O5B7O27L

pith:2012:O5B7O27LR2QSFACSZGRH3SYLRO

not attested not anchored not stored refs pending

Triplets of pure free squarefree complexes

Gunnar Floystad

arxiv:1207.2071 v3 · 2012-07-09 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5B7O27LR2QSFACSZGRH3SYLRO}

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	2026-05-18T01:03:41.244245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7743f76beb8ea1228052c9a27dcb0b8b82b42f96e24df4d7e4d902c0297d025b

Aliases

arxiv: 1207.2071 · arxiv_version: 1207.2071v3 · doi: 10.48550/arxiv.1207.2071 · pith_short_12: O5B7O27LR2QS · pith_short_16: O5B7O27LR2QSFACS · pith_short_8: O5B7O27L

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/O5B7O27LR2QSFACSZGRH3SYLRO \
  | 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: 7743f76beb8ea1228052c9a27dcb0b8b82b42f96e24df4d7e4d902c0297d025b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea6fc4ffd030f3f6ca1efb421d95222b7973572a2c5635a70e0fbcb5d0314e41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-07-09T15:08:51Z",
    "title_canon_sha256": "d61ffafb68062c97ab3b70ebdb65b7860d0c62a8a6d78985c55ff858fdcab17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2071",
    "kind": "arxiv",
    "version": 3
  }
}