Pith Number

pith:YMQ7D4CD

pith:2018:YMQ7D4CDL6ANZTYEJOMCN6FJ4X

not attested not anchored not stored refs pending

Local criteria for triangulation of manifolds

Arijit Ghosh, Jean-Daniel Boissonnat, Mathijs Wintraecken, Ramsay Dyer

arxiv:1803.07642 v1 · 2018-03-20 · cs.CG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMQ7D4CDL6ANZTYEJOMCN6FJ4X}

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	2026-05-18T00:20:29.379379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c321f1f0435f80dccf044b9826f8a9e5c333436576b87852dd0cbd02a0a4579c

Aliases

arxiv: 1803.07642 · arxiv_version: 1803.07642v1 · doi: 10.48550/arxiv.1803.07642 · pith_short_12: YMQ7D4CDL6AN · pith_short_16: YMQ7D4CDL6ANZTYE · pith_short_8: YMQ7D4CD

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/YMQ7D4CDL6ANZTYEJOMCN6FJ4X \
  | 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: c321f1f0435f80dccf044b9826f8a9e5c333436576b87852dd0cbd02a0a4579c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60988fdf196f9d3f5b82c965a2a797f59d3ea715933daeafe07c488156a12012",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-03-20T20:42:57Z",
    "title_canon_sha256": "f5b57d766fdfddac95cef582eb77c65588cced4a9d145c14536614469c1c66ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07642",
    "kind": "arxiv",
    "version": 1
  }
}