Pith Number

pith:DUDSA3VL

pith:2017:DUDSA3VLRBTYZZGRKSSEH4VYDA

not attested not anchored not stored refs pending

Strongly Normalizing Audited Computation

James Cheney, Wilmer Ricciotti

arxiv:1706.03711 v1 · 2017-06-12 · 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{DUDSA3VLRBTYZZGRKSSEH4VYDA}

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	2026-05-18T00:35:41.144435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d07206eab88678ce4d154a443f2b818386ede1d965a991986ea11e9a31126e4

Aliases

arxiv: 1706.03711 · arxiv_version: 1706.03711v1 · doi: 10.48550/arxiv.1706.03711 · pith_short_12: DUDSA3VLRBTY · pith_short_16: DUDSA3VLRBTYZZGR · pith_short_8: DUDSA3VL

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/DUDSA3VLRBTYZZGRKSSEH4VYDA \
  | 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: 1d07206eab88678ce4d154a443f2b818386ede1d965a991986ea11e9a31126e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "121f1611547c4c8c812314e54ddebc062c3e89925341034ee8a98c8b518714d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-06-12T16:19:51Z",
    "title_canon_sha256": "845d0672fcb4acd33de5a8e586a87b0bfff442395184bcb1da690f0b4cb3cf95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03711",
    "kind": "arxiv",
    "version": 1
  }
}