Pith Number

pith:W53YWHAF

pith:2026:W53YWHAFJMSP2ESNXZCHHKWTEQ

not attested not anchored not stored refs pending

Towards the Recognition of Oriented Interval Graphs

Alexander Wolff, Ignaz Rutter, Ji\v{r}\'i Fiala, Lukas P. Bachmann, Miriam M\"unch, Peter Stumpf

arxiv:2607.05191 v1 · 2026-07-06 · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W53YWHAFJMSP2ESNXZCHHKWTEQ}

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	2026-07-07T03:19:19.201710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7778b1c054b24fd124dbe4473aad3241d19d5945a5154aea39bc1da3d831248

Aliases

arxiv: 2607.05191 · arxiv_version: 2607.05191v1 · doi: 10.48550/arxiv.2607.05191 · pith_short_12: W53YWHAFJMSP · pith_short_16: W53YWHAFJMSP2ESN · pith_short_8: W53YWHAF

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/W53YWHAFJMSP2ESNXZCHHKWTEQ \
  | 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: b7778b1c054b24fd124dbe4473aad3241d19d5945a5154aea39bc1da3d831248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66508b916f3793ed35ffc4d8590a093a9de16c18881a9f8c81fca1517297264a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-07-06T15:09:55Z",
    "title_canon_sha256": "9ef9d6c7510b6ea553e24ec0dd7cae4931b51f024ba33f6a2025f9ea3af9522f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05191",
    "kind": "arxiv",
    "version": 1
  }
}