Pith Number

pith:HBSTK6LI

pith:1999:HBSTK6LIC5CWBL6PGV66CMTBUQ

not attested not anchored not stored refs pending

A Parsec Scale Accelerating Radio Jet in the Giant Radio Galaxy NGC315

G. Giovannini, L. Feretti, L. Lara, T. Venturi, W.D. Cotton

arxiv:astro-ph/9902053 v1 · 1999-02-03 · 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{HBSTK6LIC5CWBL6PGV66CMTBUQ}

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	2026-07-04T16:10:40.832776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3865357968174560afcf357de13261a414d9c10766b9b4c879a1e45879a38fbc

Aliases

arxiv: astro-ph/9902053 · arxiv_version: astro-ph/9902053v1 · doi: 10.48550/arxiv.astro-ph/9902053 · pith_short_12: HBSTK6LIC5CW · pith_short_16: HBSTK6LIC5CWBL6P · pith_short_8: HBSTK6LI

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/HBSTK6LIC5CWBL6PGV66CMTBUQ \
  | 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: 3865357968174560afcf357de13261a414d9c10766b9b4c879a1e45879a38fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "773f8a6a9cccf344d673d3ae674d7c8220cc0c45c45bca4c3bcb95df8b6d69a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-03T09:12:45Z",
    "title_canon_sha256": "ddaa66b874997a88b9accfc2d76a19551d607f9eaf96dd725649cf7e3a4aa16c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902053",
    "kind": "arxiv",
    "version": 1
  }
}