Pith Number

pith:J3HVKA2R

pith:2013:J3HVKA2ROUI7HNURKBWHKDT2I4

not attested not anchored not stored refs pending

Longest Paths in Circular Arc Graphs

Felix Joos

arxiv:1312.3075 v1 · 2013-12-11 · 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{J3HVKA2ROUI7HNURKBWHKDT2I4}

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	2026-05-18T03:05:00.537299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ecf5503517511f3b691506c750e7a470e8ceed31824a969d1bcf5b57a4f8700

Aliases

arxiv: 1312.3075 · arxiv_version: 1312.3075v1 · doi: 10.48550/arxiv.1312.3075 · pith_short_12: J3HVKA2ROUI7 · pith_short_16: J3HVKA2ROUI7HNUR · pith_short_8: J3HVKA2R

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/J3HVKA2ROUI7HNURKBWHKDT2I4 \
  | 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: 4ecf5503517511f3b691506c750e7a470e8ceed31824a969d1bcf5b57a4f8700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "453303a548227c272d14fab77bdc573ba8e92ce3dce1f340819595740bdac46b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-11T08:35:28Z",
    "title_canon_sha256": "723e70eb27cbeb52b42bfcc144bd49290d889e24b2c8688e3b4f17273c8fea20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3075",
    "kind": "arxiv",
    "version": 1
  }
}