Pith Number

pith:YE3EHTXQ

pith:1999:YE3EHTXQJIS2PLMB4NQYOQZTHQ

not attested not anchored not stored refs pending

The Energetic Implications of the Time Discretisation in Implementations of the A.L.E. Equations

S.J. Childs

arxiv:physics/9908064 v2 · 1999-08-31 · physics.flu-dyn · physics.ao-ph · physics.comp-ph · physics.geo-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{YE3EHTXQJIS2PLMB4NQYOQZTHQ}

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	2026-05-18T01:38:04.097453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c13643cef04a25a7ad81e3618743333c1219fe65543afbaa4e18966e3a568b91

Aliases

arxiv: physics/9908064 · arxiv_version: physics/9908064v2 · doi: 10.48550/arxiv.physics/9908064 · pith_short_12: YE3EHTXQJIS2 · pith_short_16: YE3EHTXQJIS2PLMB · pith_short_8: YE3EHTXQ

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/YE3EHTXQJIS2PLMB4NQYOQZTHQ \
  | 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: c13643cef04a25a7ad81e3618743333c1219fe65543afbaa4e18966e3a568b91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2903bcf10c5edbffb74147f34bdb0a15bd7069f65fbd7418097cb3746357ed2d",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.comp-ph",
      "physics.geo-ph"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "1999-08-31T20:28:14Z",
    "title_canon_sha256": "54a98d6ae6880eb65e53e5b28963f4abe875aefe717b37ea7a37ae019e8bf4a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9908064",
    "kind": "arxiv",
    "version": 2
  }
}