Pith Number

pith:BEWF7MCE

pith:2015:BEWF7MCEJFVVASKUD4RJIU5T3R

not attested not anchored not stored refs pending

Unified first law and some general prescription: a redefinition of surface gravity

Sourav Haldar, Subenoy Chakraborty, Sudipto Bhattacharjee

arxiv:1508.05090 v3 · 2015-08-20 · 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{BEWF7MCEJFVVASKUD4RJIU5T3R}

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	2026-05-18T00:32:03.262119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

092c5fb044496b5049541f229453b3dc5c3921936c2232460920305a42d096e7

Aliases

arxiv: 1508.05090 · arxiv_version: 1508.05090v3 · doi: 10.48550/arxiv.1508.05090 · pith_short_12: BEWF7MCEJFVV · pith_short_16: BEWF7MCEJFVVASKU · pith_short_8: BEWF7MCE

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/BEWF7MCEJFVVASKUD4RJIU5T3R \
  | 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: 092c5fb044496b5049541f229453b3dc5c3921936c2232460920305a42d096e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65990b926fe8aa0687fb6cd47476395988f924b21f5684440ea7e5869eaa7dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-20T09:01:26Z",
    "title_canon_sha256": "95a5cc75c2bf2e9fd13d23fbb280c35ac776df183da9eb0343683dc8339e8d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05090",
    "kind": "arxiv",
    "version": 3
  }
}