Pith Number

pith:AIJXTBEA

pith:2011:AIJXTBEAJPGBRER3KVQI6A4DXB

not attested not anchored not stored refs pending

Optimal Placement of Valves in a Water Distribution Network with CLP(FD)

Maddalena Nonato, Marco Franchini, Marco Gavanelli, Massimiliano Cattafi, Stefano Alvisi

arxiv:1109.1248 v1 · 2011-09-06 · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIJXTBEAJPGBRER3KVQI6A4DXB}

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	2026-05-18T02:21:36.910095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02137984804bcc18923b55608f0383b87105fbc8bf04c5c260f90f65ecefdae8

Aliases

arxiv: 1109.1248 · arxiv_version: 1109.1248v1 · doi: 10.48550/arxiv.1109.1248 · pith_short_12: AIJXTBEAJPGB · pith_short_16: AIJXTBEAJPGBRER3 · pith_short_8: AIJXTBEA

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/AIJXTBEAJPGBRER3KVQI6A4DXB \
  | 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: 02137984804bcc18923b55608f0383b87105fbc8bf04c5c260f90f65ecefdae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2819ede4d224cdceb6f44f1bb4e3787bdb2a4f54702a95106fa4e858ffc02e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-09-06T18:00:08Z",
    "title_canon_sha256": "16b96fbd44ef57a28f9c7d99211bde565b16f948ea2e66e55e6fef8f38508683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1248",
    "kind": "arxiv",
    "version": 1
  }
}