Pith Number

pith:S4TERMUE

pith:1999:S4TERMUEYKTDY6XFDCA5CD6IUK

not attested not anchored not stored refs pending

The Energetic Implications of Using Deforming Reference Descriptions to Simulate the Motion of Incompressible, Newtonian Fluids

S.J. Childs

arxiv:physics/9904060 v2 · 1999-04-27 · physics.flu-dyn · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4TERMUEYKTDY6XFDCA5CD6IUK}

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	2026-05-18T01:38:04.149326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972648b284c2a63c7ae51881d10fc8a28254b0377a39d07b7350e30138e5efdd

Aliases

arxiv: physics/9904060 · arxiv_version: physics/9904060v2 · doi: 10.48550/arxiv.physics/9904060 · pith_short_12: S4TERMUEYKTD · pith_short_16: S4TERMUEYKTDY6XF · pith_short_8: S4TERMUE

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/S4TERMUEYKTDY6XFDCA5CD6IUK \
  | 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: 972648b284c2a63c7ae51881d10fc8a28254b0377a39d07b7350e30138e5efdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a5634a9a52d124c92bedb080e6e1cd61673a871acd3721edbc444a6bcfbeb6",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "1999-04-27T11:15:08Z",
    "title_canon_sha256": "6d657f2e79f6ad353e32acb78478b385e2e54868fa2d5d46dbaa879f25ac1df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9904060",
    "kind": "arxiv",
    "version": 2
  }
}