Pith Number

pith:U4TYGZFM

pith:2016:U4TYGZFMV6IV4JVY27RYBPIWIO

not attested not anchored not stored refs pending

Finite-state independence

Olivier Carton, Pablo Ariel Heiber, Ver\'onica Becher

arxiv:1611.03921 v2 · 2016-11-12 · cs.FL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4TYGZFMV6IV4JVY27RYBPIWIO}

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	2026-05-18T00:31:22.368699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7278364acaf915e26b8d7e380bd1643b59b921a7f3c84041b7d6a464a152a4f

Aliases

arxiv: 1611.03921 · arxiv_version: 1611.03921v2 · doi: 10.48550/arxiv.1611.03921 · pith_short_12: U4TYGZFMV6IV · pith_short_16: U4TYGZFMV6IV4JVY · pith_short_8: U4TYGZFM

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/U4TYGZFMV6IV4JVY27RYBPIWIO \
  | 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: a7278364acaf915e26b8d7e380bd1643b59b921a7f3c84041b7d6a464a152a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58705f3b1b0d6190ca567d94b497b8cabcec7b13d22347c365e060483a44c55b",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-11-12T00:34:28Z",
    "title_canon_sha256": "a59ec52c11400fa4a7055785e9c8c3d79a450a343ad0062fe7a3a4d3304d8eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03921",
    "kind": "arxiv",
    "version": 2
  }
}