Pith Number

pith:ETUC6PDX

pith:2004:ETUC6PDX6MDFC7OMIKKCTU42VR

not attested not anchored not stored refs pending

Parsec scale properties of nearby BL Lacs

G. B. Taylor, G. Giovannini, M. Giroletti, R. Falomo

arxiv:astro-ph/0408213 v1 · 2004-08-11 · 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{ETUC6PDX6MDFC7OMIKKCTU42VR}

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	2026-07-04T14:13:41.991436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e82f3c77f306517dcc429429d39aac5541a634065a1037a0bd32eceb447020

Aliases

arxiv: astro-ph/0408213 · arxiv_version: astro-ph/0408213v1 · doi: 10.48550/arxiv.astro-ph/0408213 · pith_short_12: ETUC6PDX6MDF · pith_short_16: ETUC6PDX6MDFC7OM · pith_short_8: ETUC6PDX

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/ETUC6PDX6MDFC7OMIKKCTU42VR \
  | 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: 24e82f3c77f306517dcc429429d39aac5541a634065a1037a0bd32eceb447020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519ea4c78dcba18587c60fda33edf4f32148480c2ae0f62153e7265b48a7d7dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-11T22:41:05Z",
    "title_canon_sha256": "03b52e4f5c606295590a38677ceeefe23d91b8d279f932f55808aecdda05490e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408213",
    "kind": "arxiv",
    "version": 1
  }
}