Pith Number

pith:SHT77ZOO

pith:2020:SHT77ZOORXISKQ4UHTBSIQAQG6

not attested not anchored not stored refs pending

New Coupling Conditions for Isentropic Flow on Networks

Michael Herty, Michael Westdickenberg, Yannick Holle

arxiv:2004.09184 v3 · 2020-04-20 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHT77ZOORXISKQ4UHTBSIQAQG6}

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	2026-07-05T01:10:36.288579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91e7ffe5ce8dd12543943cc324401037be00a063087fd5b2885e2ad0e0ffaa37

Aliases

arxiv: 2004.09184 · arxiv_version: 2004.09184v3 · doi: 10.48550/arxiv.2004.09184 · pith_short_12: SHT77ZOORXIS · pith_short_16: SHT77ZOORXISKQ4U · pith_short_8: SHT77ZOO

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/SHT77ZOORXISKQ4UHTBSIQAQG6 \
  | 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: 91e7ffe5ce8dd12543943cc324401037be00a063087fd5b2885e2ad0e0ffaa37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f165370c052eb49814b19003a9504791182b50d08a907973641485928ceccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-04-20T10:21:49Z",
    "title_canon_sha256": "c8146d1da16e1e39032335d5e57e4f067efa2faaba3304dfbabe235eb1b70651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09184",
    "kind": "arxiv",
    "version": 3
  }
}