Pith Number

pith:B3WYQCDT

pith:2018:B3WYQCDTCPUD62MLKOPVS7XDNX

not attested not anchored not stored refs pending

State and Parameter Estimation for Natural Gas Pipeline Networks using Transient State Data

Anatoly Zlotnik, Kaarthik Sundar

arxiv:1803.07156 v2 · 2018-03-19 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3WYQCDTCPUD62MLKOPVS7XDNX}

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	2026-05-18T00:09:41.646296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eed88087313e83f698b539f597ee36dce32729496bc5719611837045f0f129f

Aliases

arxiv: 1803.07156 · arxiv_version: 1803.07156v2 · doi: 10.48550/arxiv.1803.07156 · pith_short_12: B3WYQCDTCPUD · pith_short_16: B3WYQCDTCPUD62ML · pith_short_8: B3WYQCDT

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/B3WYQCDTCPUD62MLKOPVS7XDNX \
  | 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: 0eed88087313e83f698b539f597ee36dce32729496bc5719611837045f0f129f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879e9ca91a5b428759b8fdaffb52dc19a17dbc171c927e512e2c845b6c94408d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-03-19T20:37:40Z",
    "title_canon_sha256": "f4a5e9d7c4cbd07074f54f625bc235a6e6a0d4280a1a87d680fa5277ff7c2261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07156",
    "kind": "arxiv",
    "version": 2
  }
}