Pith Number

pith:5QBVDTOM

pith:2019:5QBVDTOMOFSKJM3HMALB2OD5AE

not attested not anchored not stored refs pending

Dynamic State and Parameter Estimation for Natural Gas Networks using Real Pipeline System Data

Anatoly Zlotnik, Kaarthik Sundar

arxiv:1912.05644 v1 · 2019-12-05 · eess.SY · cs.SY · math.DS · math.OC · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QBVDTOMOFSKJM3HMALB2OD5AE}

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	2026-07-05T00:25:41.129419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec0351cdcc7164a4b36760161d387d010db76b2405c22e9d6e1899214257d0bc

Aliases

arxiv: 1912.05644 · arxiv_version: 1912.05644v1 · doi: 10.48550/arxiv.1912.05644 · pith_short_12: 5QBVDTOMOFSK · pith_short_16: 5QBVDTOMOFSKJM3H · pith_short_8: 5QBVDTOM

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/5QBVDTOMOFSKJM3HMALB2OD5AE \
  | 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: ec0351cdcc7164a4b36760161d387d010db76b2405c22e9d6e1899214257d0bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd9d97a054fe012f7f52524f35454b23dc348e4415d52910f870f92cb1359274",
    "cross_cats_sorted": [
      "cs.SY",
      "math.DS",
      "math.OC",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-12-05T22:02:36Z",
    "title_canon_sha256": "41fb925c809abefd3a8f128a81af9760f94b7ac3cba17cabeafab8866c4447ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05644",
    "kind": "arxiv",
    "version": 1
  }
}