Pith Number

pith:OYOL7Q6K

pith:2010:OYOL7Q6KAZ3GK2Y5DY34D27VC6

not attested not anchored not stored refs pending

Fusion Action Systems

Matthew Gelvin

arxiv:1008.1454 v1 · 2010-08-09 · math.AT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYOL7Q6KAZ3GK2Y5DY34D27VC6}

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	2026-05-18T04:41:24.740886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761cbfc3ca0676656b1d1e37c1ebf517914930d57d0a2032b8a062d01ef2f77b

Aliases

arxiv: 1008.1454 · arxiv_version: 1008.1454v1 · doi: 10.48550/arxiv.1008.1454 · pith_short_12: OYOL7Q6KAZ3G · pith_short_16: OYOL7Q6KAZ3GK2Y5 · pith_short_8: OYOL7Q6K

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/OYOL7Q6KAZ3GK2Y5DY34D27VC6 \
  | 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: 761cbfc3ca0676656b1d1e37c1ebf517914930d57d0a2032b8a062d01ef2f77b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d04849f241752ccc380056529c06b46cc06bf61063cf68d52033b95941cc78cd",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-08-09T05:14:27Z",
    "title_canon_sha256": "a79f2b2a27f73491fdd7fae9945bfa222cfa0a61cbd3863503edfdb10746c1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1454",
    "kind": "arxiv",
    "version": 1
  }
}