Pith Number

pith:4NIO54VS

pith:2015:4NIO54VSUSZVAHL6FG74OC47SJ

not attested not anchored not stored refs pending

Flips in Edge-Labelled Pseudo-Triangulations

Prosenjit Bose, Sander Verdonschot

arxiv:1512.01485 v1 · 2015-12-04 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NIO54VSUSZVAHL6FG74OC47SJ}

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	2026-05-18T01:25:16.739994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e350eef2b2a4b3501d7e29bfc70b9f9277a78a349a4b4636aa9a629619752624

Aliases

arxiv: 1512.01485 · arxiv_version: 1512.01485v1 · doi: 10.48550/arxiv.1512.01485 · pith_short_12: 4NIO54VSUSZV · pith_short_16: 4NIO54VSUSZVAHL6 · pith_short_8: 4NIO54VS

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/4NIO54VSUSZVAHL6FG74OC47SJ \
  | 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: e350eef2b2a4b3501d7e29bfc70b9f9277a78a349a4b4636aa9a629619752624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae3b8de1d7827b4ea7c28ae281b06aa4542e41b48b01d50f149daa4631b483b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-12-04T17:23:37Z",
    "title_canon_sha256": "2c40dbc6b43bde55020c8fe5d01281dddbbd2b110aca27e741cb70b655f48b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01485",
    "kind": "arxiv",
    "version": 1
  }
}