Pith Number

pith:QQSC3A2D

pith:2018:QQSC3A2DGZZSCMK4PKJIHYIMFY

not attested not anchored not stored refs pending

Reply to "Comment on 'Can accretion disk properties observationally distinguish black holes from naked singularities?'"

Shahab Shahidi, Tiberiu Harko, Zolt\'an Kov\'acs

arxiv:1810.08343 v1 · 2018-10-19 · gr-qc · astro-ph.HE · 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{QQSC3A2DGZZSCMK4PKJIHYIMFY}

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	2026-05-18T00:00:47.177827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84242d8343367321315c7a9283e10c2e25df09445b6cfae1e44f87a480d93375

Aliases

arxiv: 1810.08343 · arxiv_version: 1810.08343v1 · doi: 10.48550/arxiv.1810.08343 · pith_short_12: QQSC3A2DGZZS · pith_short_16: QQSC3A2DGZZSCMK4 · pith_short_8: QQSC3A2D

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/QQSC3A2DGZZSCMK4PKJIHYIMFY \
  | 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: 84242d8343367321315c7a9283e10c2e25df09445b6cfae1e44f87a480d93375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3021f92e1f84b8e78892bb17fb366537d77fcbdfc92f77475af5792bafc557e",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-19T03:12:38Z",
    "title_canon_sha256": "913b63dfe67d09e0f6c501a7acbb15ea4f20adde324394d4d1411a96e9ed9f8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08343",
    "kind": "arxiv",
    "version": 1
  }
}