Pith Number

pith:LXOX263M

pith:2019:LXOX263MQU3L63XARPH4SDW74O

not attested not anchored not stored refs pending

Unsupervised Machine Learning to Teach Fluid Dynamicists to Think in 15 Dimensions

D. J. Saunders, E. A. Rietman, G. D. Portwood, S. M. de Bruyn Kops

arxiv:1907.10035 v1 · 2019-07-23 · physics.flu-dyn · physics.comp-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{LXOX263MQU3L63XARPH4SDW74O}

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	2026-05-17T23:39:29.823062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ddd7d7b6c8536bf6ee08bcfc90edfe39ba46dca6bcc19401620edf30b5b25f6

Aliases

arxiv: 1907.10035 · arxiv_version: 1907.10035v1 · doi: 10.48550/arxiv.1907.10035 · pith_short_12: LXOX263MQU3L · pith_short_16: LXOX263MQU3L63XA · pith_short_8: LXOX263M

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/LXOX263MQU3L63XARPH4SDW74O \
  | 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: 5ddd7d7b6c8536bf6ee08bcfc90edfe39ba46dca6bcc19401620edf30b5b25f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a7059d1618321310aada03ec5fd8d98df40ae71eb58e06d041ddfdd5a2dfcf0",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-07-23T17:44:10Z",
    "title_canon_sha256": "07ead216cce437022755ed4f44a5824ad3898d78cd4c93fc2042ea157d5ccb47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10035",
    "kind": "arxiv",
    "version": 1
  }
}