Pith Number

pith:5C2GTR4J

pith:2018:5C2GTR4JHOGHI4ASF5XXCQIGVR

not attested not anchored not stored refs pending

Biform Theories: Project Description

Jacques Carette, William M. Farmer, Yasmine Sharoda

arxiv:1805.02709 v2 · 2018-04-29 · 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{5C2GTR4JHOGHI4ASF5XXCQIGVR}

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	2026-05-18T00:13:36.808469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b469c7893b8c7470122f6f714106ac54cf63c0f17643f3e183732175c42fe5

Aliases

arxiv: 1805.02709 · arxiv_version: 1805.02709v2 · doi: 10.48550/arxiv.1805.02709 · pith_short_12: 5C2GTR4JHOGH · pith_short_16: 5C2GTR4JHOGHI4AS · pith_short_8: 5C2GTR4J

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/5C2GTR4JHOGHI4ASF5XXCQIGVR \
  | 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: e8b469c7893b8c7470122f6f714106ac54cf63c0f17643f3e183732175c42fe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95d342bb884b40d2ba569cc10ae90c54e3483f6ef520927d1a5fa4dd39290d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-29T18:06:01Z",
    "title_canon_sha256": "9b49ccc482b05f4baf793e60aeeee8b0adedaa915c3e52072e9964d3646fc143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02709",
    "kind": "arxiv",
    "version": 2
  }
}