Pith Number

pith:U36UUJXZ

pith:2014:U36UUJXZ2E7JCFJFUGPVIGFXJW

not attested not anchored not stored refs pending

The planar minimum linear arrangement problem is different from the minimum linear arrangement problem

Alexander Setzer

arxiv:1409.1005 v1 · 2014-09-03 · cs.DS · 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{U36UUJXZ2E7JCFJFUGPVIGFXJW}

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	2026-05-18T02:43:44.572852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6fd4a26f9d13e911525a19f5418b74d8e287a494b4309f7f838a66fad90c911

Aliases

arxiv: 1409.1005 · arxiv_version: 1409.1005v1 · doi: 10.48550/arxiv.1409.1005 · pith_short_12: U36UUJXZ2E7J · pith_short_16: U36UUJXZ2E7JCFJF · pith_short_8: U36UUJXZ

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/U36UUJXZ2E7JCFJFUGPVIGFXJW \
  | 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: a6fd4a26f9d13e911525a19f5418b74d8e287a494b4309f7f838a66fad90c911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e726a3e9994d09e70bdb3f0a57b2490ae13dd19e58e3270d94934d8e6e2bf63a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-09-03T09:22:47Z",
    "title_canon_sha256": "acc126b139ccfe3e39ca1542752ed3e31933cdf77bd03b9fd5625e5fd22b3506"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1005",
    "kind": "arxiv",
    "version": 1
  }
}