Pith Number

pith:3QIZTNJ5

pith:2013:3QIZTNJ5K2GP7QUN5W2IXYXRHC

not attested not anchored not stored refs pending

A black-hole mass measurement from molecular gas kinematics in NGC4526

Leo Blitz, Marc Sarzi, Martin Bureau, Michele Cappellari, Timothy A. Davis

arxiv:1301.7184 v1 · 2013-01-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QIZTNJ5K2GP7QUN5W2IXYXRHC}

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	2026-05-18T03:35:01.047878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1199b53d568cffc28dedb48be2f138ac755ea7ede53534714af8e768b63b00

Aliases

arxiv: 1301.7184 · arxiv_version: 1301.7184v1 · doi: 10.48550/arxiv.1301.7184 · pith_short_12: 3QIZTNJ5K2GP · pith_short_16: 3QIZTNJ5K2GP7QUN · pith_short_8: 3QIZTNJ5

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/3QIZTNJ5K2GP7QUN5W2IXYXRHC \
  | 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: dc1199b53d568cffc28dedb48be2f138ac755ea7ede53534714af8e768b63b00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44353de5d2c3ecf475fb28a074f7bffcce976da70dd6e8d0c76da554d6867a8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-30T10:19:15Z",
    "title_canon_sha256": "5bbb34a1f1cf819ae7a3a7334ead833e3df997f091e836545db5521d05b9044d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7184",
    "kind": "arxiv",
    "version": 1
  }
}