Pith Number

pith:S3XCD7D6

pith:2015:S3XCD7D6ZQ6LDTI4QY2R37KY5V

not attested not anchored not stored refs pending

Properness conditions for actions and coactions

John Quigg, Magnus B. Landstad, S. Kaliszewski

arxiv:1504.03394 v1 · 2015-04-14 · 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{S3XCD7D6ZQ6LDTI4QY2R37KY5V}

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	2026-05-18T02:18:57.915862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96ee21fc7ecc3cb1cd1c86351dfd58ed5c4d600bd35de1ff33a59c707c3f90d4

Aliases

arxiv: 1504.03394 · arxiv_version: 1504.03394v1 · doi: 10.48550/arxiv.1504.03394 · pith_short_12: S3XCD7D6ZQ6L · pith_short_16: S3XCD7D6ZQ6LDTI4 · pith_short_8: S3XCD7D6

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/S3XCD7D6ZQ6LDTI4QY2R37KY5V \
  | 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: 96ee21fc7ecc3cb1cd1c86351dfd58ed5c4d600bd35de1ff33a59c707c3f90d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff9a3d2d64d6aa92a4806dfa96470e7c4a43a73c501583789bbb5a7e26e8851d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-04-14T00:23:42Z",
    "title_canon_sha256": "2a2d69fcaefbef534ceb43c3f3cbe14d9841744cc85d5f74b196353d96b64785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03394",
    "kind": "arxiv",
    "version": 1
  }
}