Pith Number

pith:XVDCKDJE

pith:2005:XVDCKDJEDDXRI3WHMDL7OYQMCZ

not attested not anchored not stored refs pending

Supermassive black hole mass measurements for NGC 1300 and NGC 2748 based on HST emission-line gas kinematics

A. Alonso-Herrero, A. Capetti, A. Marconi, C. M. Carollo, C. Scarlata, D. Batcheldor, D. J. Axon, D. Macchetto, H. Ford, J. Gerssen, J. J. Binney, J. L. Collett, J. W. Atkinson, L. Dressel, M. A. Hughes, M. R. Merrifield, M. Stiavelli, R. P. van der Marel, W. Maciejewski, W. Sparks, Z. Tsvetanov

arxiv:astro-ph/0502573 v1 · 2005-02-28 · 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{XVDCKDJEDDXRI3WHMDL7OYQMCZ}

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	2026-07-04T16:50:54.470526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd46250d2418ef146ec760d7f7620c1660e45fab3e1c085c5508c6c433a7079b

Aliases

arxiv: astro-ph/0502573 · arxiv_version: astro-ph/0502573v1 · doi: 10.48550/arxiv.astro-ph/0502573 · pith_short_12: XVDCKDJEDDXR · pith_short_16: XVDCKDJEDDXRI3WH · pith_short_8: XVDCKDJE

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/XVDCKDJEDDXRI3WHMDL7OYQMCZ \
  | 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: bd46250d2418ef146ec760d7f7620c1660e45fab3e1c085c5508c6c433a7079b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59817c5a55f742b0e7e075047ad9e09ee8c09d1b52f6b51e1b7b7c392ad5d628",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-28T13:45:50Z",
    "title_canon_sha256": "258c66c80b8cb2a89106410f861e73a1e0353884a48afa3c5c49dabc56836654"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502573",
    "kind": "arxiv",
    "version": 1
  }
}