Pith Number

pith:6PGGG2C2

pith:2007:6PGGG2C2HFEOOS43T5SRRJHB34

not attested not anchored not stored refs pending

Laboratory soft x-ray emission due to the Hawking-Unruh effect?

G. Brodin, J. Collier, M. Marklund, R. Bingham, R. G. Evans

arxiv:0712.2985 v1 · 2007-12-18 · hep-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{6PGGG2C2HFEOOS43T5SRRJHB34}

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	2026-07-04T15:30:50.265127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3cc63685a3948e74b9b9f6518a4e1df031470022efa321c282324d5a8d6b44f

Aliases

arxiv: 0712.2985 · arxiv_version: 0712.2985v1 · doi: 10.48550/arxiv.0712.2985 · pith_short_12: 6PGGG2C2HFEO · pith_short_16: 6PGGG2C2HFEOOS43 · pith_short_8: 6PGGG2C2

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/6PGGG2C2HFEOOS43T5SRRJHB34 \
  | 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: f3cc63685a3948e74b9b9f6518a4e1df031470022efa321c282324d5a8d6b44f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26bc0718ac913d2774c9bc2f8f0e7e83f394e16d4ba9f8736c8f85ad4a4dd64d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-12-18T15:36:50Z",
    "title_canon_sha256": "7e73036834a95ecb39e9cc996669caa928aaf0a2069a625f3e7821afd7272696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2985",
    "kind": "arxiv",
    "version": 1
  }
}