Pith Number

pith:GHFC3XIF

pith:2009:GHFC3XIFJNZKWLKY72BFEHIYYR

not attested not anchored not stored refs pending

A note on the Hawking radiation calculated by the quasi-classical tunneling method

Jing-Yi Zhang, Ya-Peng Hu, Zheng Zhao

arxiv:0901.2680 v5 · 2009-01-18 · 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{GHFC3XIFJNZKWLKY72BFEHIYYR}

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	2026-07-04T17:26:16.388671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ca2ddd054b72ab2d58fe82521d18c46b464a6d69f71b5033620385fd237e91

Aliases

arxiv: 0901.2680 · arxiv_version: 0901.2680v5 · doi: 10.48550/arxiv.0901.2680 · pith_short_12: GHFC3XIFJNZK · pith_short_16: GHFC3XIFJNZKWLKY · pith_short_8: GHFC3XIF

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/GHFC3XIFJNZKWLKY72BFEHIYYR \
  | 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: 31ca2ddd054b72ab2d58fe82521d18c46b464a6d69f71b5033620385fd237e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75eb440be67efa1fbc981273b634da41866e6d792b5d5ba5f5e62d662fa34627",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-18T04:53:05Z",
    "title_canon_sha256": "2016c02d240fa9f0ae533c89bdd476475b9c69cacbaa671d8056c8ebc6027711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2680",
    "kind": "arxiv",
    "version": 5
  }
}