Pith Number

pith:D2YBX2A2

pith:2019:D2YBX2A23CBWNY466QQORCDFJJ

not attested not anchored not stored refs pending

Multistage Graph Problems on a Global Budget

Andrej Sajenko, Anne-Sophie Himmel, Frank Kammer, Klaus Heeger, Malte Renken, Rolf Niedermeier

arxiv:1912.04392 v3 · 2019-12-09 · cs.CC · 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{D2YBX2A23CBWNY466QQORCDFJJ}

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	2026-07-05T01:23:10.208860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb01be81ad88366e39ef420e888654a4eb035d5d7b62f7fe11509142b7e9c36

Aliases

arxiv: 1912.04392 · arxiv_version: 1912.04392v3 · doi: 10.48550/arxiv.1912.04392 · pith_short_12: D2YBX2A23CBW · pith_short_16: D2YBX2A23CBWNY46 · pith_short_8: D2YBX2A2

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/D2YBX2A23CBWNY466QQORCDFJJ \
  | 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: 1eb01be81ad88366e39ef420e888654a4eb035d5d7b62f7fe11509142b7e9c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "229f7fe3a14312ee1bc8652837ae0c020989f72defbc0962ec50182ed26afab3",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-12-09T21:54:00Z",
    "title_canon_sha256": "bf6c5088837aeedac6698096ee660ebaa506c8aec843f7a316fca2bf9c478d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04392",
    "kind": "arxiv",
    "version": 3
  }
}