Pith Number

pith:EU44YX64

pith:2015:EU44YX646J5MMJF4QFDGVJEQVH

not attested not anchored not stored refs pending

A construction principle for tight and minimal triangulations of manifolds

Basudeb Datta, Benjamin A. Burton, Jonathan Spreer, Nitin Singh

arxiv:1511.04500 v2 · 2015-11-14 · math.GT · 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{EU44YX646J5MMJF4QFDGVJEQVH}

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	2026-05-18T00:02:36.847376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2539cc5fdcf27ac624bc81466aa490a9e274e35f1120eabd6d498ebebc6d9438

Aliases

arxiv: 1511.04500 · arxiv_version: 1511.04500v2 · doi: 10.48550/arxiv.1511.04500 · pith_short_12: EU44YX646J5M · pith_short_16: EU44YX646J5MMJF4 · pith_short_8: EU44YX64

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/EU44YX646J5MMJF4QFDGVJEQVH \
  | 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: 2539cc5fdcf27ac624bc81466aa490a9e274e35f1120eabd6d498ebebc6d9438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e50554e937f56d9f7812920e499ca278a594bbe7a32425913bbcba7d6189228c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-11-14T04:00:29Z",
    "title_canon_sha256": "295b276d73af33a739a73733a3f563d1c61bfd094d94e186bbe7cd3a7230bd70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04500",
    "kind": "arxiv",
    "version": 2
  }
}