Pith Number

pith:PRHUKHLO

pith:2013:PRHUKHLODSUJPYMPWES5WYXR3B

not attested not anchored not stored refs pending

Unveiling a population of galaxies harboring low-mass black holes with X-rays

B. Luo, J. D. Silverman, J. E. Greene, J. Kartaltepe, M. Schramm, P. Capak, V. Mainieri, W. N. Brandt, Y. Kakazu, Y. Q. Xue

arxiv:1305.3826 v1 · 2013-05-16 · 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{PRHUKHLODSUJPYMPWES5WYXR3B}

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	2026-05-18T01:49:54.231997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c4f451d6e1ca897e18fb125db62f1d853aafc5a9cbe657c674336bc12a52529

Aliases

arxiv: 1305.3826 · arxiv_version: 1305.3826v1 · doi: 10.48550/arxiv.1305.3826 · pith_short_12: PRHUKHLODSUJ · pith_short_16: PRHUKHLODSUJPYMP · pith_short_8: PRHUKHLO

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/PRHUKHLODSUJPYMPWES5WYXR3B \
  | 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: 7c4f451d6e1ca897e18fb125db62f1d853aafc5a9cbe657c674336bc12a52529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc165eab1b3858cff45e09d47dc237248cbd65479c051b90d6c7755ea9cbe11a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-16T14:48:17Z",
    "title_canon_sha256": "4ef79f14987193e5f694942383f0eb345ceed55c2b3d2545deff05fa6e7178eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3826",
    "kind": "arxiv",
    "version": 1
  }
}