Pith Number

pith:BQBNFBZ5

pith:2026:BQBNFBZ5TDTYFEH4REE3OVQRJL

not attested not anchored not stored refs pending

Extension of openCOSMO-RS Into a Full Open-Source Equation of State: Implementation, Parameterization, and Benchmarking

D. G. Lisboa Girardi, Irina Smirnova, Jan Markgraf, Simon M\"uller

arxiv:2606.30892 v1 · 2026-06-29 · physics.chem-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQBNFBZ5TDTYFEH4REE3OVQRJL}

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	2026-07-01T00:17:20.668550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c02d2873d98e78290fc8909b756114ac354ca4129de740c20b2ab3ba6f2ac8c

Aliases

arxiv: 2606.30892 · arxiv_version: 2606.30892v1 · doi: 10.48550/arxiv.2606.30892 · pith_short_12: BQBNFBZ5TDTY · pith_short_16: BQBNFBZ5TDTYFEH4 · pith_short_8: BQBNFBZ5

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/BQBNFBZ5TDTYFEH4REE3OVQRJL \
  | 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: 0c02d2873d98e78290fc8909b756114ac354ca4129de740c20b2ab3ba6f2ac8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "475fee64204ff211c6bc636d0761793c22e21a62ad915ed2df8ac1c5a1cd8fe2",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-06-29T20:27:50Z",
    "title_canon_sha256": "82cf526136e8f8fdfae10a6d2769170e4d6b09fc45dfdc248eea97c7dec51877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30892",
    "kind": "arxiv",
    "version": 1
  }
}