Pith Number

pith:G34EMPLO

pith:2014:G34EMPLOGHXFU2JZUCPLPGHULX

not attested not anchored not stored refs pending

Iterative Universal Rigidity

Robert Connelly, Steven Gortler

arxiv:1401.7029 v2 · 2014-01-27 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G34EMPLOGHXFU2JZUCPLPGHULX}

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	2026-05-18T02:28:31.849756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36f8463d6e31ee5a6939a09eb798f45dc69ce3208b56d2e22976046c6d6b20ca

Aliases

arxiv: 1401.7029 · arxiv_version: 1401.7029v2 · doi: 10.48550/arxiv.1401.7029 · pith_short_12: G34EMPLOGHXF · pith_short_16: G34EMPLOGHXFU2JZ · pith_short_8: G34EMPLO

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/G34EMPLOGHXFU2JZUCPLPGHULX \
  | 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: 36f8463d6e31ee5a6939a09eb798f45dc69ce3208b56d2e22976046c6d6b20ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b388c6de9b96d9a966babcee499a251b34eb4672317997a56ce287921af46824",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-01-27T21:29:48Z",
    "title_canon_sha256": "deceb171eed024f206dcd3016ec5a644f279ce2258e9e96ef5dba31a2d8a2e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7029",
    "kind": "arxiv",
    "version": 2
  }
}