Pith Number

pith:TSRFXADP

pith:2025:TSRFXADPOAMOBJQ6OAHXWQEYKR

not attested not anchored not stored refs pending

Structural and Spectral Properties of Strictly Interval Graphs

Claudia Justel, Lilian Markenzon

arxiv:2512.01175 v2 · 2025-12-01 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSRFXADPOAMOBJQ6OAHXWQEYKR}

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	2026-05-20T00:02:07.848281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca25b806f7018e0a61e700f7b4098545d0b37598e03efbebd6c01c0d9c6b060

Aliases

arxiv: 2512.01175 · arxiv_version: 2512.01175v2 · doi: 10.48550/arxiv.2512.01175 · pith_short_12: TSRFXADPOAMO · pith_short_16: TSRFXADPOAMOBJQ6 · pith_short_8: TSRFXADP

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/TSRFXADPOAMOBJQ6OAHXWQEYKR \
  | 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: 9ca25b806f7018e0a61e700f7b4098545d0b37598e03efbebd6c01c0d9c6b060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51602d91fc957f8f17b9ca72bf8e05b4bbb2265c142ad49ba34e2ea15a6dfaa9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2025-12-01T01:20:53Z",
    "title_canon_sha256": "46c4927a9d85f4aeb35ec7b86a56cd25267374f6a16392c78ee27c9e96a4da0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.01175",
    "kind": "arxiv",
    "version": 2
  }
}