Pith Number

pith:SQQMK2KB

pith:2025:SQQMK2KB722O2MYNRE6Q62TAGA

not attested not anchored not stored refs pending

Revisiting the First, Second and Combined Laws of Thermodynamics

Zi-Kui Liu

arxiv:2506.00055 v1 · 2025-05-29 · cond-mat.stat-mech · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQQMK2KB722O2MYNRE6Q62TAGA}

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	2026-07-05T11:13:28.239557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9420c56941feb4ed330d893d0f6a60301e2dc525aa37fa836b68fd8048846ded

Aliases

arxiv: 2506.00055 · arxiv_version: 2506.00055v1 · doi: 10.48550/arxiv.2506.00055 · pith_short_12: SQQMK2KB722O · pith_short_16: SQQMK2KB722O2MYN · pith_short_8: SQQMK2KB

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/SQQMK2KB722O2MYNRE6Q62TAGA \
  | 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: 9420c56941feb4ed330d893d0f6a60301e2dc525aa37fa836b68fd8048846ded

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aca3e4dd03a5cc0e40f865774519170412e1f91b3839799ffc63784b87a39586",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2025-05-29T02:23:38Z",
    "title_canon_sha256": "2c100645f71b5daaa75715e73911e2af7e5265430c71dc23e70f4b94960fad8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00055",
    "kind": "arxiv",
    "version": 1
  }
}