Pith Number

pith:EBITLH6T

pith:2015:EBITLH6T22ZZDCWPPYA4KJQG5Z

not attested not anchored not stored refs pending

The generic rigidity of triangulated spheres with blocks and holes

Derek Kitson, James Cruickshank, Stephen Power

arxiv:1507.02499 v1 · 2015-07-09 · math.CO · 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{EBITLH6T22ZZDCWPPYA4KJQG5Z}

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	2026-05-18T01:37:06.537166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2051359fd3d6b3918acf7e01c52606ee642e62b458d29475786f00f35d230799

Aliases

arxiv: 1507.02499 · arxiv_version: 1507.02499v1 · doi: 10.48550/arxiv.1507.02499 · pith_short_12: EBITLH6T22ZZ · pith_short_16: EBITLH6T22ZZDCWP · pith_short_8: EBITLH6T

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/EBITLH6T22ZZDCWPPYA4KJQG5Z \
  | 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: 2051359fd3d6b3918acf7e01c52606ee642e62b458d29475786f00f35d230799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba12fc65f02f49559f8e549dd4a8eea91dad2108dee891956194704362d1731c",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-09T13:26:32Z",
    "title_canon_sha256": "3761af7590cfa8b32ecda31cec504c0adbe73cdf5cbc843fe7cd502728a5471c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02499",
    "kind": "arxiv",
    "version": 1
  }
}