Pith Number

pith:BYRZCT2H

pith:2015:BYRZCT2HJ4BGWTJTZEZVHVHI7S

not attested not anchored not stored refs pending

Pearson codes

Jos H. Weber, Kees A. Schouhamer Immink, Simon R. Blackburn

arxiv:1509.00291 v2 · 2015-09-01 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYRZCT2HJ4BGWTJTZEZVHVHI7S}

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	2026-05-18T00:58:35.090607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e23914f474f026b4d33c93353d4e8fcba94ccfe6674aeebd8d16cdef429c976

Aliases

arxiv: 1509.00291 · arxiv_version: 1509.00291v2 · doi: 10.48550/arxiv.1509.00291 · pith_short_12: BYRZCT2HJ4BG · pith_short_16: BYRZCT2HJ4BGWTJT · pith_short_8: BYRZCT2H

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/BYRZCT2HJ4BGWTJTZEZVHVHI7S \
  | 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: 0e23914f474f026b4d33c93353d4e8fcba94ccfe6674aeebd8d16cdef429c976

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6be16cc50562599090915a445b36d376ff97d2633b3a80d66c6962b3fefc920",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-01T13:43:25Z",
    "title_canon_sha256": "1b7302efa6ee356c1446fb340f4a51e3492c685ce459ad8dd76d2f8ae7fbde95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00291",
    "kind": "arxiv",
    "version": 2
  }
}