Pith Number

pith:ONIRCZH7

pith:2012:ONIRCZH7IRNY2B62W5DOL3AEWG

not attested not anchored not stored refs pending

The Recognition of Simple-Triangle Graphs and of Linear-Interval Orders is Polynomial

George B. Mertzios

arxiv:1210.4352 v2 · 2012-10-16 · cs.DS · 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{ONIRCZH7IRNY2B62W5DOL3AEWG}

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	2026-05-18T03:00:59.175873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73511164ff445b8d07dab746e5ec04b1b9bb949bb02bfd088b448ce10388e15b

Aliases

arxiv: 1210.4352 · arxiv_version: 1210.4352v2 · doi: 10.48550/arxiv.1210.4352 · pith_short_12: ONIRCZH7IRNY · pith_short_16: ONIRCZH7IRNY2B62 · pith_short_8: ONIRCZH7

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/ONIRCZH7IRNY2B62W5DOL3AEWG \
  | 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: 73511164ff445b8d07dab746e5ec04b1b9bb949bb02bfd088b448ce10388e15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "876302db914b04e67b8f17a64806bb5bbf83064be95fb207c0db3e83fb6e3aa0",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-10-16T10:53:54Z",
    "title_canon_sha256": "a15a6b09c87a4c9d439184147d5ba16f89fac10ca00aa5f146691d447a832139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4352",
    "kind": "arxiv",
    "version": 2
  }
}