Pith Number

pith:3NJGL733

pith:2018:3NJGL733TYD2FE44WH6ORSYM7C

not attested not anchored not stored refs pending

An inexact Petrov-Galerkin approximation for gas transport in pipeline networks

Herbert Egger, Thomas Kugler, Vsevolod Shashkov

arxiv:1811.05215 v1 · 2018-11-13 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NJGL733TYD2FE44WH6ORSYM7C}

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	2026-05-18T00:00:46.581397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5265ff7b9e07a2939cb1fce8cb0cf8afdc7f622579cd3bae0b3e5033f5b2d0

Aliases

arxiv: 1811.05215 · arxiv_version: 1811.05215v1 · doi: 10.48550/arxiv.1811.05215 · pith_short_12: 3NJGL733TYD2 · pith_short_16: 3NJGL733TYD2FE44 · pith_short_8: 3NJGL733

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/3NJGL733TYD2FE44WH6ORSYM7C \
  | 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: db5265ff7b9e07a2939cb1fce8cb0cf8afdc7f622579cd3bae0b3e5033f5b2d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3a2f7a39d87433ea41c3b1898e6ac473d74ad0e4b735dedd100ff5d42b2069d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-13T11:10:03Z",
    "title_canon_sha256": "c8ac83401302f4eb676feb50603b2bd09331edcbd810b92e2ad2241669d4e243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05215",
    "kind": "arxiv",
    "version": 1
  }
}