Pith Number

pith:H4T4QPYR

pith:2016:H4T4QPYRTHUCEWPROKEKO3R4LB

not attested not anchored not stored refs pending

Healthiness from Duality

Bart Jacobs, Hiroki Kobayashi, Ichiro Hasuo, Wataru Hino

arxiv:1605.00381 v1 · 2016-05-02 · 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{H4T4QPYRTHUCEWPROKEKO3R4LB}

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	2026-05-18T01:15:55.971011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f27c83f1199e82259f17288a76e3c585c6f72278ec1c9915cfec2e93f8f2cd1

Aliases

arxiv: 1605.00381 · arxiv_version: 1605.00381v1 · doi: 10.48550/arxiv.1605.00381 · pith_short_12: H4T4QPYRTHUC · pith_short_16: H4T4QPYRTHUCEWPR · pith_short_8: H4T4QPYR

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/H4T4QPYRTHUCEWPROKEKO3R4LB \
  | 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: 3f27c83f1199e82259f17288a76e3c585c6f72278ec1c9915cfec2e93f8f2cd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34d545cba52e11e67bbec04bc7c6124e46cb342dfd4cd19eeff53f663988c63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-05-02T07:58:04Z",
    "title_canon_sha256": "7ea45aa45edc97c1a4f092eee53879aa92e83c0c78755f541fb0e09241b2dd63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00381",
    "kind": "arxiv",
    "version": 1
  }
}