Pith Number

pith:RFKGXXAR

pith:2015:RFKGXXARIY7BPKDAXUIRHKHD2H

not attested not anchored not stored refs pending

A simple method to estimate entropy of atmospheric gases from their action

Angus N. Crossan (Faculty of Agriculture, Australia), Environment, Harold Geering, Ivan R. Kennedy, Michael T. Rose, NSW, University of Sydney

arxiv:1504.03866 v1 · 2015-04-15 · physics.chem-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{RFKGXXARIY7BPKDAXUIRHKHD2H}

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	2026-07-05T03:24:53.477894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89546bdc11463e17a860bd1113a8e3d1e22df43d7b5757e1c9b2ba8a47abc6dd

Aliases

arxiv: 1504.03866 · arxiv_version: 1504.03866v1 · doi: 10.48550/arxiv.1504.03866 · pith_short_12: RFKGXXARIY7B · pith_short_16: RFKGXXARIY7BPKDA · pith_short_8: RFKGXXAR

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/RFKGXXARIY7BPKDAXUIRHKHD2H \
  | 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: 89546bdc11463e17a860bd1113a8e3d1e22df43d7b5757e1c9b2ba8a47abc6dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b61773ef57aab16ea876ebeac1524f0eb8caa8a34631169e691cc3457cb6631",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-04-15T11:37:33Z",
    "title_canon_sha256": "02f387890dfad752baabbb33cc8427449ef19601095257446ad7017fd2f6d0ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03866",
    "kind": "arxiv",
    "version": 1
  }
}