Pith Number

pith:HZCO5TAA

pith:2013:HZCO5TAA2GBSE2PZ22OMG6ACLE

not attested not anchored not stored refs pending

Infinitesimal rigidity for non-Euclidean bar-joint frameworks

Derek Kitson, Stephen Power

arxiv:1304.3385 v2 · 2013-04-11 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZCO5TAA2GBSE2PZ22OMG6ACLE}

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	2026-05-18T00:44:29.878128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e44eecc00d1832269f9d69cc37802591683375f3e8e4d90d1c47db3af5b77d7

Aliases

arxiv: 1304.3385 · arxiv_version: 1304.3385v2 · doi: 10.48550/arxiv.1304.3385 · pith_short_12: HZCO5TAA2GBS · pith_short_16: HZCO5TAA2GBSE2PZ · pith_short_8: HZCO5TAA

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/HZCO5TAA2GBSE2PZ22OMG6ACLE \
  | 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: 3e44eecc00d1832269f9d69cc37802591683375f3e8e4d90d1c47db3af5b77d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf93bf4e6eb14e020e85cd7175ca4e36e94e163bfd0f6e0f7cb8bd46f5c790d3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-04-11T17:53:26Z",
    "title_canon_sha256": "1899d7d0a656393d003b6f7661a828bd63f59fe086997dbd2cdf22e27a8d1ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3385",
    "kind": "arxiv",
    "version": 2
  }
}