Pith Number

pith:BCHPJ6HK

pith:2011:BCHPJ6HKLQARVBLEPVSDKQFB4H

not attested not anchored not stored refs pending

Autonomous push-down automaton built on DNA

Sebastian Sakowski, Tadeusz Krasinski, Tomasz Poplawski

arxiv:1111.5807 v1 · 2011-11-24 · 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{BCHPJ6HKLQARVBLEPVSDKQFB4H}

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	2026-05-18T04:07:41.550253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088ef4f8ea5c011a85647d643540a1e1ef10b6e22e8a006ebd256f10b843728d

Aliases

arxiv: 1111.5807 · arxiv_version: 1111.5807v1 · doi: 10.48550/arxiv.1111.5807 · pith_short_12: BCHPJ6HKLQAR · pith_short_16: BCHPJ6HKLQARVBLE · pith_short_8: BCHPJ6HK

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/BCHPJ6HKLQARVBLEPVSDKQFB4H \
  | 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: 088ef4f8ea5c011a85647d643540a1e1ef10b6e22e8a006ebd256f10b843728d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d039476e41661063873405b88f8925663d3ab63049d6832fc9aa865854fcded4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-11-24T15:52:54Z",
    "title_canon_sha256": "993fe650bd9639b4162032f4587cdebf62a9d5230cafcfaaf495e36c47917636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5807",
    "kind": "arxiv",
    "version": 1
  }
}