Pith Number

pith:OBC72COP

pith:2019:OBC72COPIDVD5HRTBSK7KJI5CS

not attested not anchored not stored refs pending

First Law of Thermodynamics and Emergence of Cosmic Space in a Non-Flat Universe

Hareesh T, P.B. Krishna, Titus K Mathew

arxiv:1908.03349 v2 · 2019-08-09 · 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{OBC72COPIDVD5HRTBSK7KJI5CS}

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	2026-07-05T00:26:39.253304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7045fd09cf40ea3e9e330c95f5251d14af583bb65bc1adf7a5841e5e15f46efb

Aliases

arxiv: 1908.03349 · arxiv_version: 1908.03349v2 · doi: 10.48550/arxiv.1908.03349 · pith_short_12: OBC72COPIDVD · pith_short_16: OBC72COPIDVD5HRT · pith_short_8: OBC72COP

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/OBC72COPIDVD5HRTBSK7KJI5CS \
  | 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: 7045fd09cf40ea3e9e330c95f5251d14af583bb65bc1adf7a5841e5e15f46efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408828884bf8dddf87812a6b7807068234c2046f79c665d958a224d6e5da8c51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-09T07:43:40Z",
    "title_canon_sha256": "869b762972c401780b17be63abd88a36074e9c5efa1660ed01937412ea2b7d80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03349",
    "kind": "arxiv",
    "version": 2
  }
}