Pith Number

pith:3DL5XEVD

pith:2012:3DL5XEVDLCLQTF2LZK5RYKHAVG

not attested not anchored not stored refs pending

Hawking radiation as perceived by different observers (ERE2011 proceedings)

Carlos Barcel\'o, Luis C. Barbado, Luis J. Garay

arxiv:1203.5407 v2 · 2012-03-24 · 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{3DL5XEVDLCLQTF2LZK5RYKHAVG}

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	2026-05-18T03:44:24.170579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8d7db92a3589709974bcabb1c28e0a98916ab5b5107536d3b66e34355b54d65

Aliases

arxiv: 1203.5407 · arxiv_version: 1203.5407v2 · doi: 10.48550/arxiv.1203.5407 · pith_short_12: 3DL5XEVDLCLQ · pith_short_16: 3DL5XEVDLCLQTF2L · pith_short_8: 3DL5XEVD

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/3DL5XEVDLCLQTF2LZK5RYKHAVG \
  | 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: d8d7db92a3589709974bcabb1c28e0a98916ab5b5107536d3b66e34355b54d65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56aae766abf1c74a70437e5c112a5806c7b5434a5fc2c9abc96094c1d6d28059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-24T11:48:04Z",
    "title_canon_sha256": "9e8bfaed2bcc95ed9494bec0849b4fc09592f160f27aabbec139c41e8c16f7af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5407",
    "kind": "arxiv",
    "version": 2
  }
}