Pith Number

pith:JVUQONAQ

pith:2014:JVUQONAQ56UXPAY6CSSHKPMFX2

not attested not anchored not stored refs pending

On the Black Hole Masses In Ultra-luminous X-ray Sources

Xin-Lin Zhou

arxiv:1411.3421 v1 · 2014-11-13 · 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{JVUQONAQ56UXPAY6CSSHKPMFX2}

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	2026-05-18T01:41:30.960090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d69073410efa977831e14a4753d85bebdfc693b376656472bd6052e7b0e62e2

Aliases

arxiv: 1411.3421 · arxiv_version: 1411.3421v1 · doi: 10.48550/arxiv.1411.3421 · pith_short_12: JVUQONAQ56UX · pith_short_16: JVUQONAQ56UXPAY6 · pith_short_8: JVUQONAQ

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/JVUQONAQ56UXPAY6CSSHKPMFX2 \
  | 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: 4d69073410efa977831e14a4753d85bebdfc693b376656472bd6052e7b0e62e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c4358ab06dce2be7ac8a3979d1582223c798fdaff99cf8831396631680d962",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-11-13T02:32:28Z",
    "title_canon_sha256": "9b4140c4b1a51f2d05ee59724c9dce20b49631b74e405f0a06a9476672e59924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3421",
    "kind": "arxiv",
    "version": 1
  }
}