Pith Number

pith:XEFHHCAA

pith:2024:XEFHHCAACAY6JCMEXECS7DCX2K

not attested not anchored not stored refs pending

The Second Law as a constraint and admitting the approximate nature of constitutive assumptions

Amit Acharya

arxiv:2412.19914 v1 · 2024-12-27 · physics.class-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{XEFHHCAACAY6JCMEXECS7DCX2K}

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	2026-07-05T09:54:51.626406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b90a7388001031e48984b9052f8c57d285f4e03f6beb1043c3468bf95215f3d0

Aliases

arxiv: 2412.19914 · arxiv_version: 2412.19914v1 · doi: 10.48550/arxiv.2412.19914 · pith_short_12: XEFHHCAACAY6 · pith_short_16: XEFHHCAACAY6JCME · pith_short_8: XEFHHCAA

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/XEFHHCAACAY6JCMEXECS7DCX2K \
  | 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: b90a7388001031e48984b9052f8c57d285f4e03f6beb1043c3468bf95215f3d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e6e8953c7c5b122f5cadbfb65f4a07e78934db59fa96c8a1215dbe41ff752b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2024-12-27T20:18:57Z",
    "title_canon_sha256": "155e549677e90f49d239cc97ab231247c16819801cacdb2956ad7b1ed8d9f8eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.19914",
    "kind": "arxiv",
    "version": 1
  }
}