Pith Number

pith:EGBYYIIT

pith:2009:EGBYYIIT2BOOC2BPN5FO3HE57T

not attested not anchored not stored refs pending

Black Holes, Entropy Bound and Causality Violation

Ishwaree P Neupane

arxiv:0904.4805 v1 · 2009-04-30 · 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{EGBYYIIT2BOOC2BPN5FO3HE57T}

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	2026-05-18T04:28:45.848758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21838c2113d05ce1682f6f4aed9c9dfce5c135c8a60b9642e57c12bf952e6bae

Aliases

arxiv: 0904.4805 · arxiv_version: 0904.4805v1 · doi: 10.48550/arxiv.0904.4805 · pith_short_12: EGBYYIIT2BOO · pith_short_16: EGBYYIIT2BOOC2BP · pith_short_8: EGBYYIIT

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/EGBYYIIT2BOOC2BPN5FO3HE57T \
  | 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: 21838c2113d05ce1682f6f4aed9c9dfce5c135c8a60b9642e57c12bf952e6bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834d8f1a0d49a8e4f55c06857f97a28e2afef98c5ca7418059f3616c6287b61d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-30T12:20:47Z",
    "title_canon_sha256": "362db32c0d7a053ea60db64e6d773724dfd98a01c8c38c32e8f29cc08c1a702c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4805",
    "kind": "arxiv",
    "version": 1
  }
}