Pith Number

pith:BGV4ERIV

pith:2026:BGV4ERIVQVMBVLGE2S6232JXYE

not attested not anchored not stored refs pending

Chordality, syzygies, and shellability for hypergraphic analogues of interval graphs

Anton Dochtermann, Bennet Goeckner, Marta Pavelka

arxiv:2606.28610 v1 · 2026-06-26 · math.CO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGV4ERIVQVMBVLGE2S6232JXYE}

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	2026-06-30T00:15:20.525889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09abc2451585581aacc4d4bdade937c12a11c6e75e8941d1206159626d9e7807

Aliases

arxiv: 2606.28610 · arxiv_version: 2606.28610v1 · doi: 10.48550/arxiv.2606.28610 · pith_short_12: BGV4ERIVQVMB · pith_short_16: BGV4ERIVQVMBVLGE · pith_short_8: BGV4ERIV

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/BGV4ERIVQVMBVLGE2S6232JXYE \
  | 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: 09abc2451585581aacc4d4bdade937c12a11c6e75e8941d1206159626d9e7807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f114c14864aafb6e43bc5dfd0a51863cdef7804e207fa439e19b3e20535ba7c8",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-26T21:06:52Z",
    "title_canon_sha256": "a3c66d32f0ea029b701bfb535df0a868b2712544c5362d0dd5c243396c94991c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28610",
    "kind": "arxiv",
    "version": 1
  }
}