Pith Number

pith:6GO54D25

pith:2012:6GO54D25MDY2ZLKU3RWHN2AP6L

not attested not anchored not stored refs pending

Automatic Sequences and Zip-Specifications

Clemens Grabmayer, Dimitri Hendriks, Jan Willem Klop, Joerg Endrullis, Lawrence S. Moss

arxiv:1201.3251 v2 · 2012-01-16 · 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{6GO54D25MDY2ZLKU3RWHN2AP6L}

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	2026-05-18T03:57:52.894615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19dde0f5d60f1acad54dc6c76e80ff2d48c29f333de3a0364bb99e189f3247a

Aliases

arxiv: 1201.3251 · arxiv_version: 1201.3251v2 · doi: 10.48550/arxiv.1201.3251 · pith_short_12: 6GO54D25MDY2 · pith_short_16: 6GO54D25MDY2ZLKU · pith_short_8: 6GO54D25

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/6GO54D25MDY2ZLKU3RWHN2AP6L \
  | 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: f19dde0f5d60f1acad54dc6c76e80ff2d48c29f333de3a0364bb99e189f3247a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2747de24c836352e4d38eb31a83542a6ca71506c40df66a79194d788a1cffcbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-01-16T13:29:28Z",
    "title_canon_sha256": "9fb3b6a5eab1d2562cf98c0a25367df58540974b09dd946d62663f2dea56f09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3251",
    "kind": "arxiv",
    "version": 2
  }
}