Pith Number

pith:JHCPQG5S

pith:2017:JHCPQG5SFDEVCIF4W6VT5FN7CC

not attested not anchored not stored refs pending

High-frequency quasi-periodic light variations from arc-shaped gas clouds falling to a black hole

Hiroyuki R. Takahashi, Kotaro Moriyama, Shin Mineshige

arxiv:1710.09386 v1 · 2017-10-25 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHCPQG5SFDEVCIF4W6VT5FN7CC}

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	2026-05-18T00:29:24.584200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49c4f81bb228c95120bcb7ab3e95bf10961448a43b08127581663e884e4b97be

Aliases

arxiv: 1710.09386 · arxiv_version: 1710.09386v1 · doi: 10.48550/arxiv.1710.09386 · pith_short_12: JHCPQG5SFDEV · pith_short_16: JHCPQG5SFDEVCIF4 · pith_short_8: JHCPQG5S

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/JHCPQG5SFDEVCIF4W6VT5FN7CC \
  | 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: 49c4f81bb228c95120bcb7ab3e95bf10961448a43b08127581663e884e4b97be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "317d2aaad98b877988ec13b1b12c75716726934b0a064cb27f969dcf7a0dfa6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-25T18:00:04Z",
    "title_canon_sha256": "bd27e1c99bdefeb58fc15c06ab647a0d094ec0be0e8fea1d42ceb7e43bab0256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09386",
    "kind": "arxiv",
    "version": 1
  }
}