Pith Number

pith:QARWQPIE

pith:2009:QARWQPIEL2L2N2Y32B25VIT5AP

not attested not anchored not stored refs pending

Thin films flowing down inverted substrates: two dimensional flow

Lou Kondic, Te-Sheng Lin

arxiv:0912.3306 v2 · 2009-12-17 · 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{QARWQPIEL2L2N2Y32B25VIT5AP}

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	2026-05-18T02:24:45.676633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8023683d045e97a6eb1bd075daa27d03f8cf2bcb8714fcf9125d816e3c823694

Aliases

arxiv: 0912.3306 · arxiv_version: 0912.3306v2 · doi: 10.48550/arxiv.0912.3306 · pith_short_12: QARWQPIEL2L2 · pith_short_16: QARWQPIEL2L2N2Y3 · pith_short_8: QARWQPIE

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/QARWQPIEL2L2N2Y32B25VIT5AP \
  | 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: 8023683d045e97a6eb1bd075daa27d03f8cf2bcb8714fcf9125d816e3c823694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b7960521fdec7fa96909d56e3ec37a9cde49f978dbb60f634a06642a992797",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-12-17T02:10:09Z",
    "title_canon_sha256": "df304ce8a52238beaabaa3528c230ecc06dac712888083161834998fa0db5d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3306",
    "kind": "arxiv",
    "version": 2
  }
}