Pith Number

pith:XL6EUYIP

pith:2012:XL6EUYIPFJAK5SZLIEXLGXN5BB

not attested not anchored not stored refs pending

Restriction categories as enriched categories

Richard Garner, Robin Cockett

arxiv:1211.6170 v1 · 2012-11-27 · math.CT · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XL6EUYIPFJAK5SZLIEXLGXN5BB}

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	2026-05-18T03:39:52.389549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bafc4a610f2a40aecb2b412eb35dbd087a4476cce85d72bfadc3972ba869a78a

Aliases

arxiv: 1211.6170 · arxiv_version: 1211.6170v1 · doi: 10.48550/arxiv.1211.6170 · pith_short_12: XL6EUYIPFJAK · pith_short_16: XL6EUYIPFJAK5SZL · pith_short_8: XL6EUYIP

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/XL6EUYIPFJAK5SZLIEXLGXN5BB \
  | 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: bafc4a610f2a40aecb2b412eb35dbd087a4476cce85d72bfadc3972ba869a78a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "568501c014c5903daadd3c6a4bd904b2fb579b94e0236142191306b6dac3ddc9",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2012-11-27T00:48:59Z",
    "title_canon_sha256": "dd3042024a200dc9d62e4d17b2fa2bebfb279a906b7e81e6ffabcef5fd5b1a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6170",
    "kind": "arxiv",
    "version": 1
  }
}