Pith Number

pith:KK4FMBUU

pith:2026:KK4FMBUU5P5RXN67OMKVDQXFYX

not attested not anchored not stored refs pending

Bifunction and Interlevel Delaunay Trifiltrations

Abhishek Rathod, \'Angel Javier Alonso, Michael Kerber, Michael Lesnick, Tung Lam

arxiv:2605.21636 v1 · 2026-05-20 · cs.CG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KK4FMBUU5P5RXN67OMKVDQXFYX}

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	2026-05-22T01:03:26.380878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b8560694ebfb1bb7df731551c2e5c5cfa9a5cb8f0b2c1ae10d7598fea2fffb

Aliases

arxiv: 2605.21636 · arxiv_version: 2605.21636v1 · doi: 10.48550/arxiv.2605.21636 · pith_short_12: KK4FMBUU5P5R · pith_short_16: KK4FMBUU5P5RXN67 · pith_short_8: KK4FMBUU

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/KK4FMBUU5P5RXN67OMKVDQXFYX \
  | 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: 52b8560694ebfb1bb7df731551c2e5c5cfa9a5cb8f0b2c1ae10d7598fea2fffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aca42acac0ead11892f3be18da0524434af2922d3768bb578a4e635634baf2c2",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-05-20T18:47:17Z",
    "title_canon_sha256": "a77dc985e0c7d57b148fec1fe01a5040a6e9d20a88d149b594807daf16d86524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21636",
    "kind": "arxiv",
    "version": 1
  }
}