Pith Number

pith:J7C4V35G

pith:2014:J7C4V35GXA4S764SS3JP5CEYNW

not attested not anchored not stored refs pending

The Family Holiday Gathering Problem or Fair and Periodic Scheduling of Independent Sets

Amihood Amir, Ely Porat, Moni Naor, Oren Kapah, Tsvi Kopelowitz

arxiv:1408.2279 v1 · 2014-08-10 · 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{J7C4V35GXA4S764SS3JP5CEYNW}

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	2026-05-18T02:45:29.841863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc5caefa6b8392ffb9296d2fe88986dad98e8d66b0ebf8120ae9da0498c7b44

Aliases

arxiv: 1408.2279 · arxiv_version: 1408.2279v1 · doi: 10.48550/arxiv.1408.2279 · pith_short_12: J7C4V35GXA4S · pith_short_16: J7C4V35GXA4S764S · pith_short_8: J7C4V35G

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/J7C4V35GXA4S764SS3JP5CEYNW \
  | 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: 4fc5caefa6b8392ffb9296d2fe88986dad98e8d66b0ebf8120ae9da0498c7b44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "783bd9b15d4757b5012857da03b6ded04dc870fdc352dbb9d33d3b3b7aeb6e51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-08-10T23:04:15Z",
    "title_canon_sha256": "4ee23f64b3593047cdad178908e8ce2aab6edcc46f71cc8a224a7a12e34e58fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2279",
    "kind": "arxiv",
    "version": 1
  }
}