Pith Number

pith:VCTRY3GL

pith:2018:VCTRY3GLTR4EQRMSRFJDAMV4CJ

not attested not anchored not stored refs pending

Optimizing gas networks using adjoint gradients

Conor O'Malley, Drosos Kourounis, Gabriela Hug, Olaf Schenk

arxiv:1804.09601 v1 · 2018-04-25 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCTRY3GLTR4EQRMSRFJDAMV4CJ}

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	2026-05-18T00:17:31.286709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a71c6ccb9c7848459289523032bc124aabbdcd4d3051b4fad553423d5a11fb

Aliases

arxiv: 1804.09601 · arxiv_version: 1804.09601v1 · doi: 10.48550/arxiv.1804.09601 · pith_short_12: VCTRY3GLTR4E · pith_short_16: VCTRY3GLTR4EQRMS · pith_short_8: VCTRY3GL

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/VCTRY3GLTR4EQRMSRFJDAMV4CJ \
  | 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: a8a71c6ccb9c7848459289523032bc124aabbdcd4d3051b4fad553423d5a11fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d91f14efcb243c59bdf89917eefaaa6d30b26c882c966a416af7ee5ad8f9c854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-04-25T14:40:54Z",
    "title_canon_sha256": "c983323752fc20932b63d254ac0233884ad1446f9faecbf0e62785578e06a352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09601",
    "kind": "arxiv",
    "version": 1
  }
}