Pith Number

pith:QGIFLAFJ

pith:2015:QGIFLAFJ4J35YTKBJJHO7DLRWD

not attested not anchored not stored refs pending

Screening an extremal black hole with a thin shell of exotic matter

Hristu Culetu

arxiv:1508.01102 v4 · 2015-08-05 · 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{QGIFLAFJ4J35YTKBJJHO7DLRWD}

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	2026-05-18T01:09:11.925965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81905580a9e277dc4d414a4eef8d71b0fe48eb5aee4c919234decdae54d62a1c

Aliases

arxiv: 1508.01102 · arxiv_version: 1508.01102v4 · doi: 10.48550/arxiv.1508.01102 · pith_short_12: QGIFLAFJ4J35 · pith_short_16: QGIFLAFJ4J35YTKB · pith_short_8: QGIFLAFJ

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/QGIFLAFJ4J35YTKBJJHO7DLRWD \
  | 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: 81905580a9e277dc4d414a4eef8d71b0fe48eb5aee4c919234decdae54d62a1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3571d22fe9f7b6e2bc2e9e8b6d2b0009166d9e8f8c423fa905e86a6722e12236",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-05T15:17:13Z",
    "title_canon_sha256": "e8b893773e54c4befe5a382e6853ad14e5243d43370cd468b2dd406112ffb291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01102",
    "kind": "arxiv",
    "version": 4
  }
}