Pith Number

pith:2VFODLSD

pith:2019:2VFODLSDU7IMQ5U3SZWG3VTII5

not attested not anchored not stored refs pending

An Analytical Mechanics Approach to the First Law of Thermodynamics and Construction of a Variational Hierarchy

Hamid A Said

arxiv:1908.03062 v2 · 2019-08-06 · physics.class-ph · 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{2VFODLSDU7IMQ5U3SZWG3VTII5}

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	2026-07-05T01:26:38.742189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54ae1ae43a7d0c8769b966c6dd6684769e438ad5b812d732d194e3283beae5f

Aliases

arxiv: 1908.03062 · arxiv_version: 1908.03062v2 · doi: 10.48550/arxiv.1908.03062 · pith_short_12: 2VFODLSDU7IM · pith_short_16: 2VFODLSDU7IMQ5U3 · pith_short_8: 2VFODLSD

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/2VFODLSDU7IMQ5U3SZWG3VTII5 \
  | 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: d54ae1ae43a7d0c8769b966c6dd6684769e438ad5b812d732d194e3283beae5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5cd03dfe5a6c060aa5c490091a1f66e57769f7ad380be03fd8e107cb213f27",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-08-06T20:37:21Z",
    "title_canon_sha256": "12e64d65e57d557739f7d8ce6107dfe0b2eab50a07421f1ee5fb43814ace60c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03062",
    "kind": "arxiv",
    "version": 2
  }
}