Pith Number

pith:2R7GHM6J

pith:2009:2R7GHM6JSER54FZDCNLCV2MGDK

not attested not anchored not stored refs pending

The Scale Height of NGC 1058 Measured from its HI Power Spectrum

Ayesha Begum, Jayaram N. Chengalur, Prasun Dutta, Somnath Bharadwaj

arxiv:0905.1450 v1 · 2009-05-10 · 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{2R7GHM6JSER54FZDCNLCV2MGDK}

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	2026-05-18T02:13:46.072111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47e63b3c99123de172313562ae9861a98b111909aec5ef49dfa7fe5997f2a9c

Aliases

arxiv: 0905.1450 · arxiv_version: 0905.1450v1 · doi: 10.48550/arxiv.0905.1450 · pith_short_12: 2R7GHM6JSER5 · pith_short_16: 2R7GHM6JSER54FZD · pith_short_8: 2R7GHM6J

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/2R7GHM6JSER54FZDCNLCV2MGDK \
  | 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: d47e63b3c99123de172313562ae9861a98b111909aec5ef49dfa7fe5997f2a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82cad80f6649f683a72a0f31c47baa19c997ecb1cddaa13096fc4c53c9f82022",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-10T04:58:39Z",
    "title_canon_sha256": "f067c9475c93b1a249e8eacf64099080ab7f9da8feb21864fc08e1b06d74dc1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1450",
    "kind": "arxiv",
    "version": 1
  }
}