Pith Number

pith:LZ7S2EHN

pith:2019:LZ7S2EHNXAGCCP3O3VCEC2AZCP

not attested not anchored not stored refs pending

Budget Minimization with Precedence Constraints

Clara Waldmann, Felix Happach, Marcus Kaiser, Marinus Gottschau

arxiv:1905.13740 v2 · 2019-05-31 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZ7S2EHNXAGCCP3O3VCEC2AZCP}

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	2026-05-17T23:42:13.388604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e7f2d10edb80c213f6edd4441681913cd3be2052ccd17d86e52e0d20f74d9f3

Aliases

arxiv: 1905.13740 · arxiv_version: 1905.13740v2 · doi: 10.48550/arxiv.1905.13740 · pith_short_12: LZ7S2EHNXAGC · pith_short_16: LZ7S2EHNXAGCCP3O · pith_short_8: LZ7S2EHN

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/LZ7S2EHNXAGCCP3O3VCEC2AZCP \
  | 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: 5e7f2d10edb80c213f6edd4441681913cd3be2052ccd17d86e52e0d20f74d9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3d88945ba4f3283f8b6efbe8fa6fd9f45e0a7ee138e3ce50444bde68ba6cca",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-05-31T17:49:00Z",
    "title_canon_sha256": "e938a4708bfe2b277b0300122744c40f107bc29e6e5e3deb55caff1d482a6632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13740",
    "kind": "arxiv",
    "version": 2
  }
}