Pith Number

pith:NPGL5MJ5

pith:2011:NPGL5MJ5ZWT2PLSHJUYZVORRUF

not attested not anchored not stored refs pending

Combining Globally Rigid Frameworks

Robert Connelly

arxiv:1101.2274 v6 · 2011-01-12 · 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{NPGL5MJ5ZWT2PLSHJUYZVORRUF}

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	2026-05-18T04:25:27.815468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bccbeb13dcda7a7ae474d319aba31a176e2b8eb1938bb4e9ea0ebf7410c9309

Aliases

arxiv: 1101.2274 · arxiv_version: 1101.2274v6 · doi: 10.48550/arxiv.1101.2274 · pith_short_12: NPGL5MJ5ZWT2 · pith_short_16: NPGL5MJ5ZWT2PLSH · pith_short_8: NPGL5MJ5

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/NPGL5MJ5ZWT2PLSHJUYZVORRUF \
  | 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: 6bccbeb13dcda7a7ae474d319aba31a176e2b8eb1938bb4e9ea0ebf7410c9309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "646855c51f539adc0c7be44d3934811c37edaed0dd029ed5e3fb2ce50a6b20ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-01-12T05:15:07Z",
    "title_canon_sha256": "7f6ce989ac3c61b0fe4b3846bc79ced6dae254bce4859083296af351b591ca38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2274",
    "kind": "arxiv",
    "version": 6
  }
}