Pith Number

pith:CCUNUCGO

pith:2004:CCUNUCGOK5OIGPTTJL4UJDRHPD

not attested not anchored not stored refs pending

Entropy of Horizons, Complex Paths and Quantum Tunneling

T. Padmanabhan

arxiv:gr-qc/0405072 v2 · 2004-05-14 · gr-qc · astro-ph · 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{CCUNUCGOK5OIGPTTJL4UJDRHPD}

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.

Cited by

1 paper in Pith

Alternative Derivations of Hawking Radiation

Receipt and verification

First computed	2026-07-04T16:47:44.431460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10a8da08ce575c833e734af9448e2778c8aab38b02c5fd5947c7b4eced5bea07

Aliases

arxiv: gr-qc/0405072 · arxiv_version: gr-qc/0405072v2 · doi: 10.48550/arxiv.gr-qc/0405072 · pith_short_12: CCUNUCGOK5OI · pith_short_16: CCUNUCGOK5OIGPTT · pith_short_8: CCUNUCGO

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/CCUNUCGOK5OIGPTTJL4UJDRHPD \
  | 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: 10a8da08ce575c833e734af9448e2778c8aab38b02c5fd5947c7b4eced5bea07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c72def78f617e353e1cbfa5e5d35cff445d7a668ab3dd8fc70690d23ac3c6f1c",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-05-14T05:56:37Z",
    "title_canon_sha256": "10d3f4229aa1c9c5309d9c13352211d507fd3bb97e34dd847d79cf6b9119bce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0405072",
    "kind": "arxiv",
    "version": 2
  }
}