Pith Number

pith:EEAGCRKM

pith:2009:EEAGCRKMNT35V6PPLLNHJN2W4M

not attested not anchored not stored refs pending

Preparing old and recent radio source tables for the VO age: Current status

2) ((1) Argelander-Institut fuer Astronomia, Germany (2) on leave of absence from Depto. de Astronomia, H. Andernach (1, Mexico), Universitaet Bonn, Univ. Guanajuato

arxiv:0909.5303 v1 · 2009-09-29 · astro-ph.CO · 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{EEAGCRKMNT35V6PPLLNHJN2W4M}

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	2026-05-18T02:34:20.866215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210061454c6cf7daf9ef5ada74b756e30423a50fa4dc3c99c0f7f8b8ba834ca7

Aliases

arxiv: 0909.5303 · arxiv_version: 0909.5303v1 · doi: 10.48550/arxiv.0909.5303 · pith_short_12: EEAGCRKMNT35 · pith_short_16: EEAGCRKMNT35V6PP · pith_short_8: EEAGCRKM

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/EEAGCRKMNT35V6PPLLNHJN2W4M \
  | 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: 210061454c6cf7daf9ef5ada74b756e30423a50fa4dc3c99c0f7f8b8ba834ca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2869f0b45b264bf223a21d464a593cfd1b52ca3b838501a6d7a215e84728bfbc",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-29T10:30:05Z",
    "title_canon_sha256": "61e1ab7d4c2fe09ac615a025c9b968e7dee906e0dbfdb37c5dbcb8b0ec057702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5303",
    "kind": "arxiv",
    "version": 1
  }
}