Pith Number

pith:XXHWMUAM

pith:2021:XXHWMUAMXDKZQESVCCUEX6MYLA

not attested not anchored not stored refs pending

Double Categories of Relations

Michael Lambert

arxiv:2107.07621 v2 · 2021-07-15 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXHWMUAMXDKZQESVCCUEX6MYLA}

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.

Cited by

1 paper in Pith

Quantification in Double-Categorical Database Schemas

Receipt and verification

First computed	2026-07-05T05:17:01.174254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdcf66500cb8d598125510a84bf9985826613e07f03a132c5845e31b96c732c0

Aliases

arxiv: 2107.07621 · arxiv_version: 2107.07621v2 · doi: 10.48550/arxiv.2107.07621 · pith_short_12: XXHWMUAMXDKZ · pith_short_16: XXHWMUAMXDKZQESV · pith_short_8: XXHWMUAM

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/XXHWMUAMXDKZQESVCCUEX6MYLA \
  | 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: bdcf66500cb8d598125510a84bf9985826613e07f03a132c5845e31b96c732c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944aa86d2bab31c1a196bafa136b6dedf700c9d713d9e1bda6c1d53dd2ee8cde",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2021-07-15T21:53:01Z",
    "title_canon_sha256": "64fcbc0f89bab160656d5aafb14475aa49a70a8788b243f795fb45eb19b69ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07621",
    "kind": "arxiv",
    "version": 2
  }
}