Pith Number

pith:Y3ZRPUIR

pith:2009:Y3ZRPUIRFARJFYVTQAXJLZUQTV

not attested not anchored not stored refs pending

Infinitesimal rigidity of cone-manifolds and the Stoker problem for hyperbolic and Euclidean polyhedra

Gregoire Montcouquiol, Rafe Mazzeo

arxiv:0908.2981 v3 · 2009-08-20 · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3ZRPUIRFARJFYVTQAXJLZUQTV}

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	2026-05-18T02:24:47.639454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6f317d111282292e2b3802e95e6909d5595982b2f81639c3deadecad61b28ba

Aliases

arxiv: 0908.2981 · arxiv_version: 0908.2981v3 · doi: 10.48550/arxiv.0908.2981 · pith_short_12: Y3ZRPUIRFARJ · pith_short_16: Y3ZRPUIRFARJFYVT · pith_short_8: Y3ZRPUIR

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/Y3ZRPUIRFARJFYVTQAXJLZUQTV \
  | 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: c6f317d111282292e2b3802e95e6909d5595982b2f81639c3deadecad61b28ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f4bc6b1daf344c97e15f191bad20fdc0985a361ab54ca220475d79e6c0bdeee",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-08-20T19:10:47Z",
    "title_canon_sha256": "7f6d095dc880665a2b1e6d99552f9229ff9fed78a64f026eb191cd8ee3d2b0f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2981",
    "kind": "arxiv",
    "version": 3
  }
}