Pith Number

pith:O5STEN5J

pith:2015:O5STEN5JRYWEH67X254MZWXNZL

not attested not anchored not stored refs pending

On Lagrangian Relaxation and Reoptimization Problems

Ariel Kulik, Gal Tamir, Hadas Shachnai

arxiv:1512.06736 v1 · 2015-12-21 · 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{O5STEN5JRYWEH67X254MZWXNZL}

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	2026-05-18T01:23:59.804554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77653237a98e2c43fbf7d778ccdaedcacbe17d1b415038374584405684765e5c

Aliases

arxiv: 1512.06736 · arxiv_version: 1512.06736v1 · doi: 10.48550/arxiv.1512.06736 · pith_short_12: O5STEN5JRYWE · pith_short_16: O5STEN5JRYWEH67X · pith_short_8: O5STEN5J

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/O5STEN5JRYWEH67X254MZWXNZL \
  | 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: 77653237a98e2c43fbf7d778ccdaedcacbe17d1b415038374584405684765e5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78e85e3ecf35149717fa858acf448cadc1a3932810641734629e4f11cb28437",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-12-21T17:58:38Z",
    "title_canon_sha256": "c6d42979b26a09be1b90c1a584945ce763484849c46aa043f6dffd3ad973d748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06736",
    "kind": "arxiv",
    "version": 1
  }
}