Pith Number

pith:4RU2CKQU

pith:2022:4RU2CKQU72TXUMYAG6NC5O2PKI

not attested not anchored not stored refs pending

A Method for the Automated Discovery of Angle Theorems

OR, Philip Todd (Saltire Software, Portland, USA)

arxiv:2201.00543 v1 · 2022-01-03 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RU2CKQU72TXUMYAG6NC5O2PKI}

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	2026-07-05T03:45:03.731444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e469a12a14fea77a3300379a2ebb4f521fc118e68685e910e20efe6baabe1c93

Aliases

arxiv: 2201.00543 · arxiv_version: 2201.00543v1 · doi: 10.48550/arxiv.2201.00543 · pith_short_12: 4RU2CKQU72TX · pith_short_16: 4RU2CKQU72TXUMYA · pith_short_8: 4RU2CKQU

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/4RU2CKQU72TXUMYAG6NC5O2PKI \
  | 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: e469a12a14fea77a3300379a2ebb4f521fc118e68685e910e20efe6baabe1c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acb29a2ba6146fe74374f621069b772e946d8fef8de1d9d6ee3ac8a0bade9f75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2022-01-03T09:27:57Z",
    "title_canon_sha256": "f1190e91e826d90c3cd4306bfb1f7e0ae1b26730a74e9405dee8aad332dd7300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00543",
    "kind": "arxiv",
    "version": 1
  }
}