Pith Number

pith:IEAQORTL

pith:2011:IEAQORTLXZWSTCBFOHAX247QBR

not attested not anchored not stored refs pending

A Classification of Regressive Transformation Semigroups on Chains

Patanee Udomkavanich, Phichet Jitjankarn

arxiv:1105.4922 v2 · 2011-05-25 · 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{IEAQORTLXZWSTCBFOHAX247QBR}

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	2026-05-18T03:44:04.710154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410107466bbe6d29882571c17d73f00c76884dc6d784fdb7ce445f6630684adb

Aliases

arxiv: 1105.4922 · arxiv_version: 1105.4922v2 · doi: 10.48550/arxiv.1105.4922 · pith_short_12: IEAQORTLXZWS · pith_short_16: IEAQORTLXZWSTCBF · pith_short_8: IEAQORTL

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/IEAQORTLXZWSTCBFOHAX247QBR \
  | 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: 410107466bbe6d29882571c17d73f00c76884dc6d784fdb7ce445f6630684adb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2c26116ff7e6dd9e191d0c2c86111eec8fcaf5f1240652ffca5d50fed4cb51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-05-25T02:28:39Z",
    "title_canon_sha256": "898a63b34d6b770b2ab6e4d4fc7ffb0449054c702c25d43b2351b349e1f27e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4922",
    "kind": "arxiv",
    "version": 2
  }
}