Pith Number

pith:IR6SV436

pith:2018:IR6SV4363PQMNVLH42HSGWNBGQ

not attested not anchored not stored refs pending

Expansion Law From First Law of Thermodynamics

Krishna P. B., Mahith M., Titus K. Mathew

arxiv:1808.00393 v3 · 2018-08-01 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IR6SV4363PQMNVLH42HSGWNBGQ}

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	2026-05-17T23:57:40.612619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

447d2af37edbe0c6d567e68f2359a13417561b360680fc49224f3eb9e90873ab

Aliases

arxiv: 1808.00393 · arxiv_version: 1808.00393v3 · doi: 10.48550/arxiv.1808.00393 · pith_short_12: IR6SV4363PQM · pith_short_16: IR6SV4363PQMNVLH · pith_short_8: IR6SV436

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/IR6SV4363PQMNVLH42HSGWNBGQ \
  | 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: 447d2af37edbe0c6d567e68f2359a13417561b360680fc49224f3eb9e90873ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b616fbf67bdf849f809298995dae2eddc44de29eda52f0eb0025c59f6ff4d78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-01T16:00:29Z",
    "title_canon_sha256": "991fd3d87cb2a1c10d73ddeb8f2763b182e555bc0a17275feec3b8e14e87b1f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00393",
    "kind": "arxiv",
    "version": 3
  }
}