Pith Number

pith:ITZULXSC

pith:2015:ITZULXSCSTDO4DERA6UJR74WWL

not attested not anchored not stored refs pending

Some enumerations of binary digital images

P. Christopher Staecker

arxiv:1502.06236 v1 · 2015-02-22 · math.CO · cs.CV · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITZULXSCSTDO4DERA6UJR74WWL}

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	2026-05-18T02:26:37.715878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f345de4294c6ee0c9107a898ff96b2deb7ef2e173a91f94af8bcda329cbbd3

Aliases

arxiv: 1502.06236 · arxiv_version: 1502.06236v1 · doi: 10.48550/arxiv.1502.06236 · pith_short_12: ITZULXSCSTDO · pith_short_16: ITZULXSCSTDO4DER · pith_short_8: ITZULXSC

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/ITZULXSCSTDO4DERA6UJR74WWL \
  | 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: 44f345de4294c6ee0c9107a898ff96b2deb7ef2e173a91f94af8bcda329cbbd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ff2128f44556a63c4362c6968b5f7f0c7afa87ca359bb4f919da7c441771092",
    "cross_cats_sorted": [
      "cs.CV",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-22T15:15:51Z",
    "title_canon_sha256": "d7a61157b151f8cdee8ea0f97f53cdaccc97f59ab784d7811a21f6b427e0afcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06236",
    "kind": "arxiv",
    "version": 1
  }
}