Pith Number

pith:2QXJ7VFF

pith:2014:2QXJ7VFFW2NEITAQRLWN64NWQG

not attested not anchored not stored refs pending

Numerical proof of stability of roll waves in the small-amplitude limit for inclined thin film flow

Blake Barker

arxiv:1401.5371 v1 · 2014-01-21 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QXJ7VFFW2NEITAQRLWN64NWQG}

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	2026-05-18T03:01:34.015048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42e9fd4a5b69a444c108aecdf71b681ba7d3fe092f8d94a99e658e12b0e3a88

Aliases

arxiv: 1401.5371 · arxiv_version: 1401.5371v1 · doi: 10.48550/arxiv.1401.5371 · pith_short_12: 2QXJ7VFFW2NE · pith_short_16: 2QXJ7VFFW2NEITAQ · pith_short_8: 2QXJ7VFF

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/2QXJ7VFFW2NEITAQRLWN64NWQG \
  | 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: d42e9fd4a5b69a444c108aecdf71b681ba7d3fe092f8d94a99e658e12b0e3a88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c831139467a1565e63d8c5fca52a74919bdd17123f5e527e5876b5f41fdbfe2d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-21T16:22:54Z",
    "title_canon_sha256": "52a67b93ae26c847f946bf291e501a867e1e5fb2520873c5f774319283c23251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5371",
    "kind": "arxiv",
    "version": 1
  }
}