Pith Number

pith:4RBGZNPN

pith:2006:4RBGZNPN6VUPMY37HENTILZRHT

not attested not anchored not stored refs pending

Flat-spectrum symmetric objects with ~1 kpc sizes I. The candidates

Ismael Perez-Fournon, J. Ignacio Gonzalez-Serrano, Pedro Augusto, Peter N. Wilkinson

arxiv:astro-ph/0602511 v1 · 2006-02-23 · 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{4RBGZNPN6VUPMY37HENTILZRHT}

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	2026-05-18T01:07:25.554342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4426cb5edf568f6637f391b342f313cdeab444018768d3bb026e55753c5397c

Aliases

arxiv: astro-ph/0602511 · arxiv_version: astro-ph/0602511v1 · doi: 10.48550/arxiv.astro-ph/0602511 · pith_short_12: 4RBGZNPN6VUP · pith_short_16: 4RBGZNPN6VUPMY37 · pith_short_8: 4RBGZNPN

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/4RBGZNPN6VUPMY37HENTILZRHT \
  | 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: e4426cb5edf568f6637f391b342f313cdeab444018768d3bb026e55753c5397c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "830e56475111475a06a9b4c643f0ca736622e110f5d98f36c78148f39fda3e9b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-23T13:35:32Z",
    "title_canon_sha256": "d0f86907918bb4c7d44d777635ec5cf602b587ed6e11cb1838b30833a9671216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602511",
    "kind": "arxiv",
    "version": 1
  }
}