Pith Number

pith:6PSA6AIU

pith:1998:6PSA6AIUWMVWH4XFRM67VGUY4H

not attested not anchored not stored refs pending

Apparent horizons, black hole entropy and loop quantum gravity

Viqar Husain

arxiv:gr-qc/9806115 v2 · 1998-06-29 · 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{6PSA6AIUWMVWH4XFRM67VGUY4H}

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

Testing ER = EPR with Hydrogen

Receipt and verification

First computed	2026-05-18T01:06:44.246999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e40f0114b32b63f2e58b3dfa9a98e1d254db68341b6cfe55deb558f4480c91

Aliases

arxiv: gr-qc/9806115 · arxiv_version: gr-qc/9806115v2 · doi: 10.48550/arxiv.gr-qc/9806115 · pith_short_12: 6PSA6AIUWMVW · pith_short_16: 6PSA6AIUWMVWH4XF · pith_short_8: 6PSA6AIU

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/6PSA6AIUWMVWH4XFRM67VGUY4H \
  | 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: f3e40f0114b32b63f2e58b3dfa9a98e1d254db68341b6cfe55deb558f4480c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad7f392e1e3198ed16e4e98a530a54af28a9e2ea52826ff2e5b5faf9f0ce859",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-06-29T20:01:46Z",
    "title_canon_sha256": "afd766cce98ffbe75e82ce9da3c2d5787af41e7a915c485bfb3520cb92ef5229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9806115",
    "kind": "arxiv",
    "version": 2
  }
}