Pith Number

pith:BCG7C6HL

pith:2012:BCG7C6HL56L7RIGJTU4WZ7RPS5

not attested not anchored not stored refs pending

Sets of tetrahedra, defined by maxima of distance functions

Costin V\^ilcu, Jo\"el Rouyer

arxiv:1207.3416 v1 · 2012-07-14 · 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{BCG7C6HL56L7RIGJTU4WZ7RPS5}

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	2026-05-18T03:51:01.223390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088df178ebef97f8a0c99d396cfe2f97489964906f1b22e6387217343afc0c90

Aliases

arxiv: 1207.3416 · arxiv_version: 1207.3416v1 · doi: 10.48550/arxiv.1207.3416 · pith_short_12: BCG7C6HL56L7 · pith_short_16: BCG7C6HL56L7RIGJ · pith_short_8: BCG7C6HL

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/BCG7C6HL56L7RIGJTU4WZ7RPS5 \
  | 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: 088df178ebef97f8a0c99d396cfe2f97489964906f1b22e6387217343afc0c90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6b5da27699d66f75c1f243bb20ae826b6487c99515e44280867a6574cd2bbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-07-14T12:17:53Z",
    "title_canon_sha256": "4e8594d0a701d3ee319a661629a5267595a5243ffb474172402794d4b564bd4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3416",
    "kind": "arxiv",
    "version": 1
  }
}