Pith Number

pith:OW2TMQVM

pith:2013:OW2TMQVMCOQ5W55YOC3VBENQL5

not attested not anchored not stored refs pending

Front speed in reactive compressible stirred media

Angelo Vulpiani, Davide Vergni, Federico Bianco, Sergio Chibbaro

arxiv:1304.5912 v1 · 2013-04-22 · physics.bio-ph · 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{OW2TMQVMCOQ5W55YOC3VBENQL5}

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	2026-05-18T03:19:43.749249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75b53642ac13a1db77b870b75091b05f545765a2e85bddf202af76ea2903679b

Aliases

arxiv: 1304.5912 · arxiv_version: 1304.5912v1 · doi: 10.48550/arxiv.1304.5912 · pith_short_12: OW2TMQVMCOQ5 · pith_short_16: OW2TMQVMCOQ5W55Y · pith_short_8: OW2TMQVM

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/OW2TMQVMCOQ5W55YOC3VBENQL5 \
  | 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: 75b53642ac13a1db77b870b75091b05f545765a2e85bddf202af76ea2903679b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c4edec9e2011638b00ba8d1d71c6f867bc372f7a7b1ba415ea50e02e0188b1",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-04-22T10:58:10Z",
    "title_canon_sha256": "a0f225707b4acfa1498430dc675bd844749398f2e0675266b3df010587bd2b46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5912",
    "kind": "arxiv",
    "version": 1
  }
}