Pith Number

pith:TQGHBLR6

pith:2011:TQGHBLR6TI7QIFTESD7K2YEGIK

not attested not anchored not stored refs pending

Prismatic Algorithm for Discrete D.C. Programming Problems

Takashi Washio, Yoshinobu Kawahara

arxiv:1108.4217 v1 · 2011-08-21 · 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{TQGHBLR6TI7QIFTESD7K2YEGIK}

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	2026-05-18T04:14:55.929891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c0c70ae3e9a3f04166490fead608642a1b8e421e0a4accd76073f6f6c162456

Aliases

arxiv: 1108.4217 · arxiv_version: 1108.4217v1 · doi: 10.48550/arxiv.1108.4217 · pith_short_12: TQGHBLR6TI7Q · pith_short_16: TQGHBLR6TI7QIFTE · pith_short_8: TQGHBLR6

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/TQGHBLR6TI7QIFTESD7K2YEGIK \
  | 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: 9c0c70ae3e9a3f04166490fead608642a1b8e421e0a4accd76073f6f6c162456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e5beea65c9b31a4a1c21012569a5db85f13c9ad2d4fae0875e79f704c385651",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-08-21T22:09:21Z",
    "title_canon_sha256": "8fb854c0279b8fcbf4148308c6c8c8e322217268707007c8415e9ab430661420"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4217",
    "kind": "arxiv",
    "version": 1
  }
}