Pith Number

pith:DFDC2YFC

pith:2012:DFDC2YFCNXNPNYTSVE75HA6HPU

not attested not anchored not stored refs pending

Noetherian Hopf algebras

K. R. Goodearl

arxiv:1201.4854 v1 · 2012-01-23 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFDC2YFCNXNPNYTSVE75HA6HPU}

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	2026-05-18T04:04:05.118134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19462d60a26ddaf6e272a93fd383c77d174232c0cf77769eda610ae95c664f60

Aliases

arxiv: 1201.4854 · arxiv_version: 1201.4854v1 · doi: 10.48550/arxiv.1201.4854 · pith_short_12: DFDC2YFCNXNP · pith_short_16: DFDC2YFCNXNPNYTS · pith_short_8: DFDC2YFC

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/DFDC2YFCNXNPNYTSVE75HA6HPU \
  | 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: 19462d60a26ddaf6e272a93fd383c77d174232c0cf77769eda610ae95c664f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b16a435fd7ca4d2462da473328fd9c6b98155f3f6a7bab2315f567e9cba14084",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-01-23T20:54:15Z",
    "title_canon_sha256": "4292048a4069f37a6e960b96cef158ca1919bc103a2b3c9e8153059a9f1e38a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4854",
    "kind": "arxiv",
    "version": 1
  }
}