Pith Number

pith:WKWKYBDN

pith:2023:WKWKYBDNTGF3Y3U7VRMLFFL3ZM

not attested not anchored not stored refs pending

Rigidity of the Delaunay triangulations of the plane

Song Dai, Tianqi Wu

arxiv:2305.02609 v2 · 2023-05-04 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKWKYBDNTGF3Y3U7VRMLFFL3ZM}

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	2026-07-05T08:56:55.703371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2acac046d998bbc6e9fac58b2957bcb3eedf13d81f7735bc3d341a13b01f303

Aliases

arxiv: 2305.02609 · arxiv_version: 2305.02609v2 · doi: 10.48550/arxiv.2305.02609 · pith_short_12: WKWKYBDNTGF3 · pith_short_16: WKWKYBDNTGF3Y3U7 · pith_short_8: WKWKYBDN

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/WKWKYBDNTGF3Y3U7VRMLFFL3ZM \
  | 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: b2acac046d998bbc6e9fac58b2957bcb3eedf13d81f7735bc3d341a13b01f303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ddcc8a005a88e347feb3e38f6d9e02bb63ab44517efb10c7498e1d742d06cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-05-04T07:32:34Z",
    "title_canon_sha256": "792d5a7f0dc95e99de004ec12765910667ad051f382fb4316bc84c5c71eb4b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.02609",
    "kind": "arxiv",
    "version": 2
  }
}