Pith Number

pith:OMARZCTQ

pith:2009:OMARZCTQHUGH7M7CLXTT3HJPNV

not attested not anchored not stored refs pending

7 mm continuum observations of ultra compact HII regions

2), (2) INAF - Istituto di Radioastronomia, (3) Universit\`a di Catania, (4) Max-Planck-Institut f\"ur Radioastronomie), C. S. Buemi (1), C. Siringo (3) ((1) INAF - Osservatorio Astrofisico di Catania, C. Trigilio (1), G. Umana (1), L. Cerrigone (4), P. Leto (1, P. Manzitto (3), S. Dolei (3)

arxiv:0909.4680 v1 · 2009-09-25 · 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{OMARZCTQHUGH7M7CLXTT3HJPNV}

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	2026-05-18T02:11:37.684173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73011c8a703d0c7fb3e25de73d9d2f6d41d0ef11d4599b4c7c7f1c0d2e2ffa95

Aliases

arxiv: 0909.4680 · arxiv_version: 0909.4680v1 · doi: 10.48550/arxiv.0909.4680 · pith_short_12: OMARZCTQHUGH · pith_short_16: OMARZCTQHUGH7M7C · pith_short_8: OMARZCTQ

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/OMARZCTQHUGH7M7CLXTT3HJPNV \
  | 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: 73011c8a703d0c7fb3e25de73d9d2f6d41d0ef11d4599b4c7c7f1c0d2e2ffa95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c95df49d9ea0a57365eda93496fc4faad6e419d1dcc216806b8a8cd53a4e6b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-25T12:39:37Z",
    "title_canon_sha256": "358f8204fc70cc2ab04703779eefc4cebdfda84349747c0a97635f4cc34d5834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4680",
    "kind": "arxiv",
    "version": 1
  }
}