Pith Number

pith:HMPZIUID

pith:1997:HMPZIUID7QOQ4PJTFX63OFK5K5

not attested not anchored not stored refs pending

An instability criterion for a finite amplitude localized disturbance in a shear flow of electrically conducting fluids

I. Rapoport, J. Cohen, V. Levinski

arxiv:physics/9705024 v1 · 1997-05-20 · 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{HMPZIUID7QOQ4PJTFX63OFK5K5}

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	2026-05-18T01:05:17.266939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b1f945103fc1d0e3d332dfdb7155d5779229789b6affe457baefde5307f8302

Aliases

arxiv: physics/9705024 · arxiv_version: physics/9705024v1 · doi: 10.48550/arxiv.physics/9705024 · pith_short_12: HMPZIUID7QOQ · pith_short_16: HMPZIUID7QOQ4PJT · pith_short_8: HMPZIUID

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/HMPZIUID7QOQ4PJTFX63OFK5K5 \
  | 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: 3b1f945103fc1d0e3d332dfdb7155d5779229789b6affe457baefde5307f8302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f17309b96c82eb4bdbedf8a46606fdc552563c4f2a6e4ddbf186e3dd587818",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "1997-05-20T09:31:12Z",
    "title_canon_sha256": "236ae3ebe79a2f629825e3107197074ed55e042fecb42bbd95fe227a4289b610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9705024",
    "kind": "arxiv",
    "version": 1
  }
}