Pith Number

pith:4MHOD6XO

pith:2023:4MHOD6XOZA4YV3YAG2EICAVBXT

not attested not anchored not stored refs pending

Introducing Thermodynamics-Informed Symbolic Regression -- A Tool for Thermodynamic Equations of State Development

Markus Richter, Ophelia Frotscher, Roland Herzog, Viktor Martinek

arxiv:2309.02805 v1 · 2023-09-06 · cs.LG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MHOD6XOZA4YV3YAG2EICAVBXT}

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	2026-07-05T06:48:17.550500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30ee1faeec8398aef0036888102a1bce6e25cca572cf4473c4ec3ea827d1439

Aliases

arxiv: 2309.02805 · arxiv_version: 2309.02805v1 · doi: 10.48550/arxiv.2309.02805 · pith_short_12: 4MHOD6XOZA4Y · pith_short_16: 4MHOD6XOZA4YV3YA · pith_short_8: 4MHOD6XO

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/4MHOD6XOZA4YV3YAG2EICAVBXT \
  | 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: e30ee1faeec8398aef0036888102a1bce6e25cca572cf4473c4ec3ea827d1439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d49db4647e01555c8e3375379cbf96dc265b28af8916f575c8320297cdff1b5",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-09-06T07:48:22Z",
    "title_canon_sha256": "f915890566b88b037435ff7ba5856fd86298796f5cff71c704ae02f59dff4d3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.02805",
    "kind": "arxiv",
    "version": 1
  }
}