Pith Number

pith:LI6KRALW

pith:2016:LI6KRALWED37RTSYHZ5FZWXRIH

not attested not anchored not stored refs pending

A branch and bound algorithm for a fractional 0-1 programming problem

Ekaterina Batsyna, Irina Utkina, Mikhail Batsyn

arxiv:1603.04597 v1 · 2016-03-15 · 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{LI6KRALWED37RTSYHZ5FZWXRIH}

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	2026-05-18T01:19:04.405029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a3ca8817620f7f8ce583e7a5cdaf141e75d2bd4ef51d6d970b4905d6f0b513a

Aliases

arxiv: 1603.04597 · arxiv_version: 1603.04597v1 · doi: 10.48550/arxiv.1603.04597 · pith_short_12: LI6KRALWED37 · pith_short_16: LI6KRALWED37RTSY · pith_short_8: LI6KRALW

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/LI6KRALWED37RTSYHZ5FZWXRIH \
  | 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: 5a3ca8817620f7f8ce583e7a5cdaf141e75d2bd4ef51d6d970b4905d6f0b513a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f554ad7ad40f33df778ffa6264cb9353105ee5ec2ad51b1ea082362d91895b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-03-15T09:06:38Z",
    "title_canon_sha256": "f8d70c02b9f2b4a108c8b1ac6cc029330a69075221d9e184e2f2b37ea951bbb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04597",
    "kind": "arxiv",
    "version": 1
  }
}