Pith Number

pith:W56MULID

pith:2021:W56MULIDCRPQYOC3J3S4CFLFGD

not attested not anchored not stored refs pending

An adaptive robust optimization model for parallel machine scheduling

Izack Cohen, Krzysztof Postek, Shimrit Shtern

arxiv:2102.08677 v3 · 2021-02-17 · math.OC · 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{W56MULIDCRPQYOC3J3S4CFLFGD}

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	2026-07-05T07:14:48.709108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b77cca2d03145f0c385b4ee5c1156530ee5e3e109b4457a5c8dd07a59a32e56a

Aliases

arxiv: 2102.08677 · arxiv_version: 2102.08677v3 · doi: 10.48550/arxiv.2102.08677 · pith_short_12: W56MULIDCRPQ · pith_short_16: W56MULIDCRPQYOC3 · pith_short_8: W56MULID

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/W56MULIDCRPQYOC3J3S4CFLFGD \
  | 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: b77cca2d03145f0c385b4ee5c1156530ee5e3e109b4457a5c8dd07a59a32e56a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "823841b9569ccf1337b782645fa88cddaad78152fe22001540341a3086eaee04",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-17T10:43:01Z",
    "title_canon_sha256": "d045556fcc19135cdcc4b3fb074c3b9b667a000b323625089a9306776de7fed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08677",
    "kind": "arxiv",
    "version": 3
  }
}