Pith Number

pith:OJI55KDK

pith:2016:OJI55KDKLXUGPOMK6FIDBY26SD

not attested not anchored not stored refs pending

Arbitrary Overlap Constraints in Graph Packing Problems

Alejandro L\'opez-Ortiz, Jazm\'in Romero

arxiv:1601.03676 v1 · 2016-01-14 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJI55KDKLXUGPOMK6FIDBY26SD}

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	2026-05-18T01:22:52.871163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7251dea86a5de867b98af15030e35e90d8db5194a5e2ad556534e80c9373326f

Aliases

arxiv: 1601.03676 · arxiv_version: 1601.03676v1 · doi: 10.48550/arxiv.1601.03676 · pith_short_12: OJI55KDKLXUG · pith_short_16: OJI55KDKLXUGPOMK · pith_short_8: OJI55KDK

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/OJI55KDKLXUGPOMK6FIDBY26SD \
  | 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: 7251dea86a5de867b98af15030e35e90d8db5194a5e2ad556534e80c9373326f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3863942434ba18c638d487b7ee1cbef94d5a5162247951da47071e9f66ded3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-01-14T17:31:55Z",
    "title_canon_sha256": "58fbf669389a8e0dbecdcb22c7ae1bd62d01b12d0ae76017a0145a8b232f2db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03676",
    "kind": "arxiv",
    "version": 1
  }
}