Pith Number

pith:EOZBXQPF

pith:2017:EOZBXQPFYUU3YSMA7M34QCCDVS

not attested not anchored not stored refs pending

Real-time quantitative Schlieren imaging by fast Fourier demodulation of a checkered backdrop

Sander Wildeman

arxiv:1712.05679 v3 · 2017-12-15 · 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{EOZBXQPFYUU3YSMA7M34QCCDVS}

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	2026-05-18T00:14:28.524126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b21bc1e5c529bc4980fb37c80843ac82257afd0ee62d72b05fe1a18c718ff4

Aliases

arxiv: 1712.05679 · arxiv_version: 1712.05679v3 · doi: 10.48550/arxiv.1712.05679 · pith_short_12: EOZBXQPFYUU3 · pith_short_16: EOZBXQPFYUU3YSMA · pith_short_8: EOZBXQPF

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/EOZBXQPFYUU3YSMA7M34QCCDVS \
  | 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: 23b21bc1e5c529bc4980fb37c80843ac82257afd0ee62d72b05fe1a18c718ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6230d8aaad42975934f2b00af4ac87878d2e1beeeb88eed5d81cd68346501711",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-12-15T14:06:17Z",
    "title_canon_sha256": "737ee94941aa215168fa88956b4205f4d453137b1b27e818e7c0892694dc4f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05679",
    "kind": "arxiv",
    "version": 3
  }
}