Pith Number

pith:GXJBT2AI

pith:2012:GXJBT2AIA46SMWMB63N7U2PMYC

not attested not anchored not stored refs pending

A wider audience: Turning VLBI into a survey instrument

A. T. Deller, E. Middelberg, J. S. Morgan, R. P. Norris, W. F. Brisken

arxiv:1207.1191 v1 · 2012-07-05 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXJBT2AIA46SMWMB63N7U2PMYC}

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	2026-05-18T03:51:46.637094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35d219e808073d265981f6dbfa69ecc0aafc6b2cad3f85d983aaccb61d9295ca

Aliases

arxiv: 1207.1191 · arxiv_version: 1207.1191v1 · doi: 10.48550/arxiv.1207.1191 · pith_short_12: GXJBT2AIA46S · pith_short_16: GXJBT2AIA46SMWMB · pith_short_8: GXJBT2AI

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/GXJBT2AIA46SMWMB63N7U2PMYC \
  | 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: 35d219e808073d265981f6dbfa69ecc0aafc6b2cad3f85d983aaccb61d9295ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef72ba836e0fec2742bef6755f8ee36e1f1ec2273d387ace9c6f97bf57f8fd5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-05T08:35:04Z",
    "title_canon_sha256": "05f95a33935f7c755bdca074604058367fbc4eb08014d1fb18021256054fe2b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1191",
    "kind": "arxiv",
    "version": 1
  }
}