Pith Number

pith:PR4GKKLS

pith:2009:PR4GKKLSRLENX4AUP24E6HFFHB

not attested not anchored not stored refs pending

A Precise Distance to IRAS 00420+5530 via H2O Maser Parallax with the VLBA

G. A. Moellenbrock, M. J. Claussen, W. M. Goss (NRAO)

arxiv:0901.0517 v1 · 2009-01-05 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PR4GKKLSRLENX4AUP24E6HFFHB}

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	2026-05-18T04:29:24.195547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c786529728ac8dbf0147eb84f1ca538457780458327c5cde58e5bbd050ee00a

Aliases

arxiv: 0901.0517 · arxiv_version: 0901.0517v1 · doi: 10.48550/arxiv.0901.0517 · pith_short_12: PR4GKKLSRLEN · pith_short_16: PR4GKKLSRLENX4AU · pith_short_8: PR4GKKLS

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/PR4GKKLSRLENX4AUP24E6HFFHB \
  | 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: 7c786529728ac8dbf0147eb84f1ca538457780458327c5cde58e5bbd050ee00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b8cd58f2f3ea4d3bd90caaffcfe4c40f17b223f707c0408fae256ec5475029",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-05T16:51:38Z",
    "title_canon_sha256": "0de42a2e59d31299199889000c7eea5583db5d0189851943503a9c59ff3eb44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0517",
    "kind": "arxiv",
    "version": 1
  }
}