Pith Number

pith:RJJMTCZO

pith:2012:RJJMTCZO2JBLAPM3UTU6II3IDN

not attested not anchored not stored refs pending

A fast flatness testing algorithm in characteristic zero

Hadi Seyedinejad, Janusz Adamus

arxiv:1211.2834 v2 · 2012-11-12 · math.AC · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJJMTCZO2JBLAPM3UTU6II3IDN}

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	2026-05-18T00:34:10.808060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a52c98b2ed242b03d9ba4e9e423681b53b692e5e078bb20c936439abd6e7cce

Aliases

arxiv: 1211.2834 · arxiv_version: 1211.2834v2 · doi: 10.48550/arxiv.1211.2834 · pith_short_12: RJJMTCZO2JBL · pith_short_16: RJJMTCZO2JBLAPM3 · pith_short_8: RJJMTCZO

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/RJJMTCZO2JBLAPM3UTU6II3IDN \
  | 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: 8a52c98b2ed242b03d9ba4e9e423681b53b692e5e078bb20c936439abd6e7cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e5892007bdddf31addc8ab7816c643e84cd84e22c1adfe6b06197ca6a2f25f",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-11-12T21:32:13Z",
    "title_canon_sha256": "76dec3d96f692a36ae3e18b63dc79a09d5c78d0fe9f5ce0149486206a90d6da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2834",
    "kind": "arxiv",
    "version": 2
  }
}