Pith Number

pith:M5KIZM2I

pith:2009:M5KIZM2IBWQFPCYFOWEQ2UFSZ4

not attested not anchored not stored refs pending

Radio Continuum and Methanol Observations of DR21(OH)

1), 2), (2) University of New Mexico, (3) CRyA, (4) New Mexico Institute of Mining, (5) Max-Planck-Institut f"ur Astronomie, Albuquerque, Esteban D. Araya (1, Germany), Heidelberg, Hendrik Linz (5) ((1) National Radio Astronomy Observatory, Mexico, Morelia, NM, Peter Hofner (4, Socorro, Stan Kurtz (3), Technology, Universidad Autonoma de Mexico, USA

arxiv:0904.4086 v1 · 2009-04-27 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5KIZM2IBWQFPCYFOWEQ2UFSZ4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:29:43.324519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67548cb3480da0578b0575890d50b2cf1ea28b2c5b5be8271739b11a28e305a8

Aliases

arxiv: 0904.4086 · arxiv_version: 0904.4086v1 · doi: 10.48550/arxiv.0904.4086 · pith_short_12: M5KIZM2IBWQF · pith_short_16: M5KIZM2IBWQFPCYF · pith_short_8: M5KIZM2I

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/M5KIZM2IBWQFPCYFOWEQ2UFSZ4 \
  | 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: 67548cb3480da0578b0575890d50b2cf1ea28b2c5b5be8271739b11a28e305a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d0aec57a2911e781061e92bec4454dff8f99c9c5bd771893e3953c6c6d35e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-27T05:26:01Z",
    "title_canon_sha256": "c5c77b58cae4f5f1fa6fd1c7c28947750a53699e9ea83e63d3ca3e6b9e8f780b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4086",
    "kind": "arxiv",
    "version": 1
  }
}