Pith Number

pith:FI7P3DTL

pith:2009:FI7P3DTLGWBNONIUR2CCL7D6W6

not attested not anchored not stored refs pending

Flexible suspensions with a hexagonal equator

Robert Connelly, Victor Alexandrov

arxiv:0905.3683 v1 · 2009-05-22 · math.MG · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FI7P3DTLGWBNONIUR2CCL7D6W6}

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	2026-05-18T03:38:12.851118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a3efd8e6b3582d735148e8425fc7eb7b6e9a444e7188587884d69c4f5788d5c

Aliases

arxiv: 0905.3683 · arxiv_version: 0905.3683v1 · doi: 10.48550/arxiv.0905.3683 · pith_short_12: FI7P3DTLGWBN · pith_short_16: FI7P3DTLGWBNONIU · pith_short_8: FI7P3DTL

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/FI7P3DTLGWBNONIUR2CCL7D6W6 \
  | 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: 2a3efd8e6b3582d735148e8425fc7eb7b6e9a444e7188587884d69c4f5788d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0874e28f579bf5c8f5b9940233ab048fe9894d49506a449291107676dcabac43",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2009-05-22T13:47:13Z",
    "title_canon_sha256": "e1cc50272b83c37d1d0a70de54d83376762991e24914ea20163959e559352be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3683",
    "kind": "arxiv",
    "version": 1
  }
}