Pith Number

pith:YEWG3RIO

pith:2008:YEWG3RIO7BRY5EX3MYWXYQSA6P

not attested not anchored not stored refs pending

Black holes and black hole thermodynamics without event horizons

Alex B. Nielsen

arxiv:0809.3850 v1 · 2008-09-23 · 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{YEWG3RIO7BRY5EX3MYWXYQSA6P}

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

Doppler shifted Hawking radiation from acoustic black holes in ultra-relativistic heavy-ion collisions

Receipt and verification

First computed	2026-07-04T15:46:21.863305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12c6dc50ef8638e92fb662d7c4240f3d2701cdc0cd3be2560e2f76056ea203a

Aliases

arxiv: 0809.3850 · arxiv_version: 0809.3850v1 · doi: 10.48550/arxiv.0809.3850 · pith_short_12: YEWG3RIO7BRY · pith_short_16: YEWG3RIO7BRY5EX3 · pith_short_8: YEWG3RIO

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/YEWG3RIO7BRY5EX3MYWXYQSA6P \
  | 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: c12c6dc50ef8638e92fb662d7c4240f3d2701cdc0cd3be2560e2f76056ea203a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4dc7b069e2d8eb4f880a9fcaca123ebd9086caa878681b6dd3a9e5ba22572cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-09-23T05:07:16Z",
    "title_canon_sha256": "adf47c1cddb9241bf7fdaf8009f95348f024eb8d882aff4db91fcb1340a9ba71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3850",
    "kind": "arxiv",
    "version": 1
  }
}