Pith Number

pith:WMIW2ADE

pith:2012:WMIW2ADEDUFBG4XBQGC7U7IM7H

not attested not anchored not stored refs pending

A variational framework for flow optimization using semi-norm constraints

C.P. Caulfield, D.P.G. Foures, P.J. Schmid

arxiv:1202.0650 v1 · 2012-02-03 · 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{WMIW2ADEDUFBG4XBQGC7U7IM7H}

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	2026-05-18T01:58:35.859000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3116d00641d0a1372e18185fa7d0cf9e98e02340be0c4c3ae6c186c37f08e00

Aliases

arxiv: 1202.0650 · arxiv_version: 1202.0650v1 · doi: 10.48550/arxiv.1202.0650 · pith_short_12: WMIW2ADEDUFB · pith_short_16: WMIW2ADEDUFBG4XB · pith_short_8: WMIW2ADE

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/WMIW2ADEDUFBG4XBQGC7U7IM7H \
  | 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: b3116d00641d0a1372e18185fa7d0cf9e98e02340be0c4c3ae6c186c37f08e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a1d55ebf340dff04c176153b77c755a51e187ece48feec4b9a9ba183226d90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-02-03T10:27:47Z",
    "title_canon_sha256": "a45865b6a490ce8d4d9658d2d8fe0237a91358d03fe3a5f4c3c97734c57c24a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0650",
    "kind": "arxiv",
    "version": 1
  }
}