Pith Number

pith:XA5MS2PW

pith:2020:XA5MS2PWHOAJTTAVDH2AU4Z6GS

not attested not anchored not stored refs pending

A Statistical Learning-Based Algorithm for Topology Verification in Natural Gas Networks Based on Noisy Sensor Measurements

Rick S. Blum, Zisheng Wang

arxiv:2004.01087 v1 · 2020-04-02 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XA5MS2PWHOAJTTAVDH2AU4Z6GS}

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	2026-07-05T00:52:24.199992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83ac969f63b8099cc1519f40a733e34b774be5c34157899867d65b9ec59df14

Aliases

arxiv: 2004.01087 · arxiv_version: 2004.01087v1 · doi: 10.48550/arxiv.2004.01087 · pith_short_12: XA5MS2PWHOAJ · pith_short_16: XA5MS2PWHOAJTTAV · pith_short_8: XA5MS2PW

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/XA5MS2PWHOAJTTAVDH2AU4Z6GS \
  | 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: b83ac969f63b8099cc1519f40a733e34b774be5c34157899867d65b9ec59df14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb85400f6aa1e936c09bf7e2edf093f2c7efb6c779217bb575a36b36987f3e1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-04-02T15:44:57Z",
    "title_canon_sha256": "dd72645b00dc297b023d3a2778b3234764072c2d5f569dd6ecea9a917d771c5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01087",
    "kind": "arxiv",
    "version": 1
  }
}