Pith Number

pith:6R4VFMAE

pith:2018:6R4VFMAECTJFQ3MZZO77S3AXJH

not attested not anchored not stored refs pending

Symmetric forms for hyperbolic-parabolic systems of multi-gradient fluids

Henri Gouin (IUSTI)

arxiv:1812.07457 v1 · 2018-12-17 · physics.class-ph · math-ph · math.MP · 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{6R4VFMAECTJFQ3MZZO77S3AXJH}

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	2026-05-17T23:58:00.453146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f47952b00414d2586d99cbbff96c1749e7214e5b66143525b71caf4300830138

Aliases

arxiv: 1812.07457 · arxiv_version: 1812.07457v1 · doi: 10.48550/arxiv.1812.07457 · pith_short_12: 6R4VFMAECTJF · pith_short_16: 6R4VFMAECTJFQ3MZ · pith_short_8: 6R4VFMAE

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/6R4VFMAECTJFQ3MZZO77S3AXJH \
  | 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: f47952b00414d2586d99cbbff96c1749e7214e5b66143525b71caf4300830138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a13c30bc7029a31bebe4511be37e0e990eb25a5037df58e377e4bc405f51d1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-12-17T08:32:53Z",
    "title_canon_sha256": "ee176d19fa8ed72be9054e54a58442ee8c92ec31e87caf36114d2784c0fe8205"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07457",
    "kind": "arxiv",
    "version": 1
  }
}