Pith Number

pith:KSD3OFNL

pith:2010:KSD3OFNL7E5DBPQPSVEQGJXWJ6

not attested not anchored not stored refs pending

Engineering Time-dependent One-To-All Computation

Robert Geisberger

arxiv:1010.0809 v1 · 2010-10-05 · 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{KSD3OFNL7E5DBPQPSVEQGJXWJ6}

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	2026-05-18T04:39:50.866032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5487b715abf93a30be0f95490326f64f913aaada68fa7d5820ce2fff3e55303b

Aliases

arxiv: 1010.0809 · arxiv_version: 1010.0809v1 · doi: 10.48550/arxiv.1010.0809 · pith_short_12: KSD3OFNL7E5D · pith_short_16: KSD3OFNL7E5DBPQP · pith_short_8: KSD3OFNL

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/KSD3OFNL7E5DBPQPSVEQGJXWJ6 \
  | 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: 5487b715abf93a30be0f95490326f64f913aaada68fa7d5820ce2fff3e55303b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e81560f3d6e2f3fc928869bcaef05c04d94b0d1ea0b47778fa2ad97951be979",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-10-05T09:20:50Z",
    "title_canon_sha256": "9cad1307523fcd3c90d10818f1c19e34d1f88a97e0056baee97cf1767131d967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0809",
    "kind": "arxiv",
    "version": 1
  }
}