Pith Number

pith:U6WBUQNJ

pith:2016:U6WBUQNJORCUUILACCUBA2PK6Y

not attested not anchored not stored refs pending

A note on Beckett-Gray codes and the relationship of Gray codes to data structures

Brett Stevens, Chris North, Mark Cooke, Megan Dewar

arxiv:1608.06001 v2 · 2016-08-21 · math.CO · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6WBUQNJORCUUILACCUBA2PK6Y}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:07:53.455490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7ac1a41a974454a216010a81069eaf619b094e8f0fef5d2ed8386fdadcd113f

Aliases

arxiv: 1608.06001 · arxiv_version: 1608.06001v2 · doi: 10.48550/arxiv.1608.06001 · pith_short_12: U6WBUQNJORCU · pith_short_16: U6WBUQNJORCUUILA · pith_short_8: U6WBUQNJ

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/U6WBUQNJORCUUILACCUBA2PK6Y \
  | 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: a7ac1a41a974454a216010a81069eaf619b094e8f0fef5d2ed8386fdadcd113f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee224f2cf5006177a096e6b2d5aed4f1b40614ea035210c2decf20ca7416589b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-21T21:12:40Z",
    "title_canon_sha256": "ee869ed7f3dc559ffe028138e46818d98fb76fa61695b4bf35f2006828373ba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06001",
    "kind": "arxiv",
    "version": 2
  }
}