Pith Number

pith:7OAPZXAQ

pith:2014:7OAPZXAQCPYP5A3RGM27JH44HU

not attested not anchored not stored refs pending

The chord-length probability density of the regular octahedron

Salvino Ciccariello

arxiv:1401.7950 v2 · 2014-01-30 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OAPZXAQCPYP5A3RGM27JH44HU}

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	2026-05-18T02:59:33.772715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb80fcdc1013f0fe83713335f49f9c3d35c299c457f7e61dddfb0d1483602c2b

Aliases

arxiv: 1401.7950 · arxiv_version: 1401.7950v2 · doi: 10.48550/arxiv.1401.7950 · pith_short_12: 7OAPZXAQCPYP · pith_short_16: 7OAPZXAQCPYP5A3R · pith_short_8: 7OAPZXAQ

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/7OAPZXAQCPYP5A3RGM27JH44HU \
  | 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: fb80fcdc1013f0fe83713335f49f9c3d35c299c457f7e61dddfb0d1483602c2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dea315d16a25e5cb193a9cda3a468adebb27db924128223a860b82ed1aa318b",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-01-30T18:35:27Z",
    "title_canon_sha256": "ce3474bb80aa9baa43cb87897fd25fa4d95e1ecdc6179250f45ad2d6b2880222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7950",
    "kind": "arxiv",
    "version": 2
  }
}