Pith Number

pith:KFAVIM6X

pith:2002:KFAVIM6XKOBPMFQAK3KORO2RTV

not attested not anchored not stored refs pending

Interstellar scintillation as the origin of rapid radio variability in the quasar J1819+3845

A.G. de Bruyn, J. Dennett-Thorpe

arxiv:astro-ph/0201061 v1 · 2002-01-04 · 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{KFAVIM6XKOBPMFQAK3KORO2RTV}

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	2026-05-18T01:40:43.484007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51415433d75382f6160056d4e8bb519d6a5eaa04e3ed158b308b77059f269094

Aliases

arxiv: astro-ph/0201061 · arxiv_version: astro-ph/0201061v1 · doi: 10.48550/arxiv.astro-ph/0201061 · pith_short_12: KFAVIM6XKOBP · pith_short_16: KFAVIM6XKOBPMFQA · pith_short_8: KFAVIM6X

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/KFAVIM6XKOBPMFQAK3KORO2RTV \
  | 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: 51415433d75382f6160056d4e8bb519d6a5eaa04e3ed158b308b77059f269094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d486778873eee9f6a17c77db544d7b0d5daba409fb00e18f288be843e937f77",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-04T21:28:34Z",
    "title_canon_sha256": "b2b9c3b2659ad06f1a5ea45784ef02c737c72cd9ddf7a312b098a790becc49a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201061",
    "kind": "arxiv",
    "version": 1
  }
}