Pith Number

pith:TG5HJWCV

pith:2004:TG5HJWCVP4FFSIRTWHOAN5F27R

not attested not anchored not stored refs pending

VLBA Astrometry of Compact Radio Sources in the Spitzer First-Look Survey

J.J. Condon, J.M. Wrobel, M.A. Garrett, R. Morganti

arxiv:astro-ph/0404007 v1 · 2004-03-31 · 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{TG5HJWCVP4FFSIRTWHOAN5F27R}

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	2026-07-04T16:43:30.232262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99ba74d8557f0a592233b1dc06f4bafc4d583e1b64dd9c9d3409a3ee065e03f9

Aliases

arxiv: astro-ph/0404007 · arxiv_version: astro-ph/0404007v1 · doi: 10.48550/arxiv.astro-ph/0404007 · pith_short_12: TG5HJWCVP4FF · pith_short_16: TG5HJWCVP4FFSIRT · pith_short_8: TG5HJWCV

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/TG5HJWCVP4FFSIRTWHOAN5F27R \
  | 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: 99ba74d8557f0a592233b1dc06f4bafc4d583e1b64dd9c9d3409a3ee065e03f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2fd9998d96fe0b3d3a99d96eae31bd49bf8f5e2d374873a63d157051b3745e3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-31T23:02:20Z",
    "title_canon_sha256": "b35359380e24c2d2e2d72f3dba2e018b4b695697911503959c828f8b609e5e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404007",
    "kind": "arxiv",
    "version": 1
  }
}