Pith Number

pith:UVVQF4HK

pith:2018:UVVQF4HK5AG4HFMAHSIYYOV5N7

not attested not anchored not stored refs pending

Chaos and the Flow Capture Problem: Polluting is Easy, Cleaning is Hard

Guy Metcalfe, Julio M. Ottino, Lachlan D. Smith

arxiv:1803.00078 v2 · 2018-02-26 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVVQF4HK5AG4HFMAHSIYYOV5N7}

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	2026-05-18T00:04:17.570224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a56b02f0eae80dc395803c918c3abd6fc3a23130ff2e0d11ff965dc5f3fcda1d

Aliases

arxiv: 1803.00078 · arxiv_version: 1803.00078v2 · doi: 10.48550/arxiv.1803.00078 · pith_short_12: UVVQF4HK5AG4 · pith_short_16: UVVQF4HK5AG4HFMA · pith_short_8: UVVQF4HK

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/UVVQF4HK5AG4HFMAHSIYYOV5N7 \
  | 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: a56b02f0eae80dc395803c918c3abd6fc3a23130ff2e0d11ff965dc5f3fcda1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f27e487f322234b810edb18617075398f48d73399d3968d7b58abfaf869c3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-02-26T23:32:53Z",
    "title_canon_sha256": "775ec292da5db7990b40523f2fcc4242690e02c434bb71cc9f6c3f08ffad42f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00078",
    "kind": "arxiv",
    "version": 2
  }
}