Pith Number

pith:QF6T4JE4

pith:2011:QF6T4JE4RJKRMDIC3MGELDB7JE

not attested not anchored not stored refs pending

Optimization with Demand Oracles

Ashwinkumar Badanidiyuru, Shahar Dobzinski, Sigal Oren

arxiv:1107.2869 v1 · 2011-07-14 · cs.GT · 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{QF6T4JE4RJKRMDIC3MGELDB7JE}

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	2026-05-18T02:21:42.867622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

817d3e249c8a55160d02db0c458c3f491ed21b9eaa5be1f02b6a85609cd1b7ef

Aliases

arxiv: 1107.2869 · arxiv_version: 1107.2869v1 · doi: 10.48550/arxiv.1107.2869 · pith_short_12: QF6T4JE4RJKR · pith_short_16: QF6T4JE4RJKRMDIC · pith_short_8: QF6T4JE4

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/QF6T4JE4RJKRMDIC3MGELDB7JE \
  | 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: 817d3e249c8a55160d02db0c458c3f491ed21b9eaa5be1f02b6a85609cd1b7ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3088a3e4cbf4894b2824b94802c09a5133d45c3bf179e0e1ea6bdd8f267903e9",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2011-07-14T17:01:04Z",
    "title_canon_sha256": "0c923d2faefea77d617601a418b89a28ebce18f8387ba94276e89bb8a2d00a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2869",
    "kind": "arxiv",
    "version": 1
  }
}