Pith Number

pith:QR7WIFIQ

pith:2009:QR7WIFIQROTZNUXCXOP77MNHNH

not attested not anchored not stored refs pending

Hawking temperature and higher order calculations

Bhramar Chatterjee, P. Mitra

arxiv:0902.0230 v4 · 2009-02-02 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QR7WIFIQROTZNUXCXOP77MNHNH}

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	2026-05-18T04:25:51.405301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847f6415108ba796d2e2bb9fffb1a769e04d12e7bae190f50963d370c369530a

Aliases

arxiv: 0902.0230 · arxiv_version: 0902.0230v4 · doi: 10.48550/arxiv.0902.0230 · pith_short_12: QR7WIFIQROTZ · pith_short_16: QR7WIFIQROTZNUXC · pith_short_8: QR7WIFIQ

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/QR7WIFIQROTZNUXCXOP77MNHNH \
  | 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: 847f6415108ba796d2e2bb9fffb1a769e04d12e7bae190f50963d370c369530a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24096aa99503bc3b27ff7be6b44b63537ed099e59042891b924c5050a538466b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-02-02T09:28:27Z",
    "title_canon_sha256": "55ca820c3c1ca0e818f207a4db679359a546e4074dcbdea15c7f2f04453d5a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0230",
    "kind": "arxiv",
    "version": 4
  }
}