Pith Number

pith:OAYTRXKS

pith:2017:OAYTRXKS2EEOA2M6SGA7ZPG4JF

not attested not anchored not stored refs pending

Chandra Survey of Nearby Galaxies: A Significant Population of Candidate Central Black Holes in Late-type Galaxies

Hua Feng, Luis C. Ho, Rui She

arxiv:1706.01201 v1 · 2017-06-05 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAYTRXKS2EEOA2M6SGA7ZPG4JF}

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	2026-05-18T00:39:34.266388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703138dd52d108e0699e9181fcbcdc4979dc5ee537ed25aef830dff1e7ce9c2d

Aliases

arxiv: 1706.01201 · arxiv_version: 1706.01201v1 · doi: 10.48550/arxiv.1706.01201 · pith_short_12: OAYTRXKS2EEO · pith_short_16: OAYTRXKS2EEOA2M6 · pith_short_8: OAYTRXKS

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/OAYTRXKS2EEOA2M6SGA7ZPG4JF \
  | 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: 703138dd52d108e0699e9181fcbcdc4979dc5ee537ed25aef830dff1e7ce9c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe44b4f0dcf100090242017033badd2a3870415a9b84a3045556027c085729a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-05T06:01:57Z",
    "title_canon_sha256": "17e709ca04c80ceb5d424ba2ba072e4c415678b3bcba470948109b3cb23016ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01201",
    "kind": "arxiv",
    "version": 1
  }
}