Pith Number

pith:4VJ227SO

pith:2016:4VJ227SONN6KYQFP5LUN6C4PWY

not attested not anchored not stored refs pending

Tight Approximation Bounds for the Seminar Assignment Problem

Amotz Bar-Noy, George Rabanca

arxiv:1610.04785 v1 · 2016-10-15 · 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{4VJ227SONN6KYQFP5LUN6C4PWY}

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	2026-05-18T01:02:07.074177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e553ad7e4e6b7cac40afeae8df0b8fb61547f47e0547890f8b8d51e7a6ed23bd

Aliases

arxiv: 1610.04785 · arxiv_version: 1610.04785v1 · doi: 10.48550/arxiv.1610.04785 · pith_short_12: 4VJ227SONN6K · pith_short_16: 4VJ227SONN6KYQFP · pith_short_8: 4VJ227SO

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/4VJ227SONN6KYQFP5LUN6C4PWY \
  | 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: e553ad7e4e6b7cac40afeae8df0b8fb61547f47e0547890f8b8d51e7a6ed23bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04a50a2e6079fcd9d02f26120ebf8c26461f5d576b60e3a2fa3497203c858a55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-10-15T20:56:20Z",
    "title_canon_sha256": "c66a419a08f35b2a614612e661ea90142312797a8178540852f4ae7e5f413278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04785",
    "kind": "arxiv",
    "version": 1
  }
}