Pith Number

pith:7YBRG7B5

pith:2004:7YBRG7B5AXCCX5R52BSE5GQSCE

not attested not anchored not stored refs pending

On the geometrical origin of periodicity in blazar-type sources

Frank M. Rieger

arxiv:astro-ph/0410188 v1 · 2004-10-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YBRG7B5AXCCX5R52BSE5GQSCE}

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

Profile Analysis of the Multiwavelength 2.1-year Oscillations of PG 1553+113

Receipt and verification

First computed	2026-07-04T16:44:56.066735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe03137c3d05c42bf63dd0644e9a1211017755581c5ab90d880605a05c2dd2bd

Aliases

arxiv: astro-ph/0410188 · arxiv_version: astro-ph/0410188v1 · doi: 10.48550/arxiv.astro-ph/0410188 · pith_short_12: 7YBRG7B5AXCC · pith_short_16: 7YBRG7B5AXCCX5R5 · pith_short_8: 7YBRG7B5

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/7YBRG7B5AXCCX5R52BSE5GQSCE \
  | 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: fe03137c3d05c42bf63dd0644e9a1211017755581c5ab90d880605a05c2dd2bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e00e4c0b02f41fcfae3380b66256604f143eca2138f5d329e7f68054f835d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-07T14:18:01Z",
    "title_canon_sha256": "232972ae76f6c4645e5b47e6bbb0023483cdeb3190b4c959dbbb995bd8ca9632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410188",
    "kind": "arxiv",
    "version": 1
  }
}