Pith Number

pith:H6SUUH6I

pith:2004:H6SUUH6IFZBOAUFLU2ZLMU4FVB

not attested not anchored not stored refs pending

Hawking radiation in an electro-magnetic wave-guide?

Ralf Sch\"utzhold, William G. Unruh

arxiv:quant-ph/0408145 v2 · 2004-08-23 · quant-ph · 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{H6SUUH6IFZBOAUFLU2ZLMU4FVB}

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

Laboratory rivers extremize friction and are cosmological analogues

Receipt and verification

First computed	2026-07-04T16:50:23.447349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa54a1fc82e42e050aba6b2b65385a86b13c9790f063a6cd1241e58934b8cc1

Aliases

arxiv: quant-ph/0408145 · arxiv_version: quant-ph/0408145v2 · doi: 10.48550/arxiv.quant-ph/0408145 · pith_short_12: H6SUUH6IFZBO · pith_short_16: H6SUUH6IFZBOAUFL · pith_short_8: H6SUUH6I

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/H6SUUH6IFZBOAUFLU2ZLMU4FVB \
  | 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: 3fa54a1fc82e42e050aba6b2b65385a86b13c9790f063a6cd1241e58934b8cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b34c112ab8c3213b425b6e124294358593ad1f79b4f61f3ec6fb48e5bb9955d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-08-23T13:23:40Z",
    "title_canon_sha256": "0afdaeeee9c5ed01c520097a89c5686d7ce75c36afd1809e310b1d87d7d1a2e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0408145",
    "kind": "arxiv",
    "version": 2
  }
}