Pith Number

pith:AN2YEPZ7

pith:2012:AN2YEPZ7NYO5AYBG6OS2PQSK4M

not attested not anchored not stored refs pending

Coactions and skew products for topological graphs

John Quigg, S. Kaliszewski

arxiv:1205.0523 v4 · 2012-05-02 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AN2YEPZ7NYO5AYBG6OS2PQSK4M}

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	2026-05-18T03:36:36.892998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0375823f3f6e1dd06026f3a5a7c24ae3347d03b393f966e2e650e469badfdb05

Aliases

arxiv: 1205.0523 · arxiv_version: 1205.0523v4 · doi: 10.48550/arxiv.1205.0523 · pith_short_12: AN2YEPZ7NYO5 · pith_short_16: AN2YEPZ7NYO5AYBG · pith_short_8: AN2YEPZ7

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/AN2YEPZ7NYO5AYBG6OS2PQSK4M \
  | 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: 0375823f3f6e1dd06026f3a5a7c24ae3347d03b393f966e2e650e469badfdb05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6b30cc961b58744fe9eb4e5e0016695bb575429c7c360d8ded0ec2136824f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-05-02T18:52:26Z",
    "title_canon_sha256": "de78f212d4771b6018bdb0cfc19c6e0cf91c6f9b77ae70dbcc38a39b3e786558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0523",
    "kind": "arxiv",
    "version": 4
  }
}