Pith Number

pith:DEDZHXXV

pith:2014:DEDZHXXVRIFXIPUN5I7QH6OQGG

not attested not anchored not stored refs pending

Computing the flip distance between triangulations

Eric Sedgwick, Ge Xia, Iyad Kanj

arxiv:1407.1525 v2 · 2014-07-06 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEDZHXXVRIFXIPUN5I7QH6OQGG}

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	2026-05-18T01:03:24.156801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

190793def58a0b743e8dea3f03f9d0319c6671e5b73d305e89fb6578c5e1834e

Aliases

arxiv: 1407.1525 · arxiv_version: 1407.1525v2 · doi: 10.48550/arxiv.1407.1525 · pith_short_12: DEDZHXXVRIFX · pith_short_16: DEDZHXXVRIFXIPUN · pith_short_8: DEDZHXXV

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/DEDZHXXVRIFXIPUN5I7QH6OQGG \
  | 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: 190793def58a0b743e8dea3f03f9d0319c6671e5b73d305e89fb6578c5e1834e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f896f435fa60a50ee2b25afe414a92f00ae74177fba16b56cc9ecef2ea9b133f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-07-06T18:46:17Z",
    "title_canon_sha256": "ab1717f2f1879316f97f2113f60c7c7d806edbdaf21c26f98b42c395cd8ebdbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1525",
    "kind": "arxiv",
    "version": 2
  }
}