Pith Number

pith:QTUXQNXZ

pith:2013:QTUXQNXZ473UZ2NI2BHQ4QVZHW

not attested not anchored not stored refs pending

Uniform extensions of layered semifields

Tal Perri

arxiv:1307.7336 v1 · 2013-07-28 · math.AG · 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{QTUXQNXZ473UZ2NI2BHQ4QVZHW}

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	2026-05-18T03:17:23.525894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84e97836f9e7f74ce9a8d04f0e42b93d8779e3484e4354c0c583a5aeecc2a684

Aliases

arxiv: 1307.7336 · arxiv_version: 1307.7336v1 · doi: 10.48550/arxiv.1307.7336 · pith_short_12: QTUXQNXZ473U · pith_short_16: QTUXQNXZ473UZ2NI · pith_short_8: QTUXQNXZ

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/QTUXQNXZ473UZ2NI2BHQ4QVZHW \
  | 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: 84e97836f9e7f74ce9a8d04f0e42b93d8779e3484e4354c0c583a5aeecc2a684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a1adec824646245e140bd139244219a2a99ddc8bf7f2d0a51574d9996e5fc1",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-07-28T06:22:04Z",
    "title_canon_sha256": "edc02fc676184843936f9c5846d70a02a289155907a29ee5ef4e974be057878c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7336",
    "kind": "arxiv",
    "version": 1
  }
}