Pith Number

pith:57KTTMTN

pith:2015:57KTTMTNEHZHZJ5HHFBWP3MRCM

not attested not anchored not stored refs pending

Homing Vector Automata

A.C. Cem Say, \"Ozlem Salehi

arxiv:1504.04859 v2 · 2015-04-19 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57KTTMTNEHZHZJ5HHFBWP3MRCM}

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	2026-05-18T01:32:43.509547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efd539b26d21f27ca7a7394367ed911314e080546953e16ad5d70f72d455fe67

Aliases

arxiv: 1504.04859 · arxiv_version: 1504.04859v2 · doi: 10.48550/arxiv.1504.04859 · pith_short_12: 57KTTMTNEHZH · pith_short_16: 57KTTMTNEHZHZJ5H · pith_short_8: 57KTTMTN

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/57KTTMTNEHZHZJ5HHFBWP3MRCM \
  | 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: efd539b26d21f27ca7a7394367ed911314e080546953e16ad5d70f72d455fe67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ec48c18458cd09b917fd81278cc7641326ba92a9b775d92acbb2dce38197e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-04-19T17:04:31Z",
    "title_canon_sha256": "a15feab37f0c12c7bcb502694590cd1dfcc22a8d15b3126189e7b93ea5eb6e6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04859",
    "kind": "arxiv",
    "version": 2
  }
}