Pith Number

pith:WU2GAJDF

pith:2004:WU2GAJDFWEZ2FQSNKSYJBUYCCW

not attested not anchored not stored refs pending

A map of OMC-1 in CO 9-8

2), (2) Radioastronomisches Institut der Universitat Bonn, (3) Boston University, 4), (4) RPG Radiometer Physics GmbH, 5), (5) Chalmers University of Technology, (6) National Radio Astronomy Observatory), D. C. Papa (1), D. Meledin (1, D. P. Marrone (1), E. Tong (1) ((1) Harvard-Smithsonian Center for Astrophysics, F. Bensch (1, H. Gibson (1, J. Battat (1), M. Diaz (3), M. Smith (1), R. Blundell (1), S. J. E. Radford (6), S. Paine (1), T. Hunter (1)

arxiv:astro-ph/0405530 v2 · 2004-05-26 · 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{WU2GAJDFWEZ2FQSNKSYJBUYCCW}

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	2026-07-04T16:43:50.999937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b534602465b133a2c24d54b090d302158d698072c26e76c47fbd1d546a3b1e62

Aliases

arxiv: astro-ph/0405530 · arxiv_version: astro-ph/0405530v2 · doi: 10.48550/arxiv.astro-ph/0405530 · pith_short_12: WU2GAJDFWEZ2 · pith_short_16: WU2GAJDFWEZ2FQSN · pith_short_8: WU2GAJDF

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/WU2GAJDFWEZ2FQSNKSYJBUYCCW \
  | 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: b534602465b133a2c24d54b090d302158d698072c26e76c47fbd1d546a3b1e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20c2fb29072a11bfc065240b310ee4f51ddb9528a791ae29091997e39c88411e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-26T22:03:21Z",
    "title_canon_sha256": "120dbb200b49e0c05293816d1aa316a082e3760433175303e6eae8e1105a1312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405530",
    "kind": "arxiv",
    "version": 2
  }
}