Pith Number

pith:ETGNOBRZ

pith:2015:ETGNOBRZTJGLOWE645Z52YKXC5

not attested not anchored not stored refs pending

Defining and composing big state machines

Victor Yodaiken

arxiv:1501.00507 v1 · 2015-01-02 · 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{ETGNOBRZTJGLOWE645Z52YKXC5}

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	2026-05-18T02:30:07.418480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ccd706399a4cb7589ee773dd61571764c5a81f35c584152e0302dd9541b156

Aliases

arxiv: 1501.00507 · arxiv_version: 1501.00507v1 · doi: 10.48550/arxiv.1501.00507 · pith_short_12: ETGNOBRZTJGL · pith_short_16: ETGNOBRZTJGLOWE6 · pith_short_8: ETGNOBRZ

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/ETGNOBRZTJGLOWE645Z52YKXC5 \
  | 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: 24ccd706399a4cb7589ee773dd61571764c5a81f35c584152e0302dd9541b156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "accb8d54a2b1af664b6eef3f96c68a863d372967c9a9d5cbd76abd7e311a14ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-01-02T22:12:13Z",
    "title_canon_sha256": "1ebec44d39391f0fbe303008562147e01c6ac7dacaff85f9189e5c6306ca4176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00507",
    "kind": "arxiv",
    "version": 1
  }
}