Pith Number

pith:7XZFLEF5

pith:2014:7XZFLEF5LRYR3AVVX5EJ6URJ5Q

not attested not anchored not stored refs pending

Spectroscopic evidence for a low-mass black hole in SWIFT J1753.5-0127

Alexandra Veledina, George Sjoberg, Jari J. E. Kajava, Juri Poutanen, Sergey Tsygankov, Sergey Zharikov, Vitaly Neustroev

arxiv:1409.4423 v2 · 2014-09-15 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XZFLEF5LRYR3AVVX5EJ6URJ5Q}

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	2026-05-18T02:39:31.565291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf25590bd5c711d82b5bf489f5229ec259fd57b3d1059708de08e2cdb41d743

Aliases

arxiv: 1409.4423 · arxiv_version: 1409.4423v2 · doi: 10.48550/arxiv.1409.4423 · pith_short_12: 7XZFLEF5LRYR · pith_short_16: 7XZFLEF5LRYR3AVV · pith_short_8: 7XZFLEF5

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/7XZFLEF5LRYR3AVVX5EJ6URJ5Q \
  | 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: fdf25590bd5c711d82b5bf489f5229ec259fd57b3d1059708de08e2cdb41d743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b787ec52bdc49764cf7a167e33cef74ecd0f2042a5ed5d5aa326a9cf6e5625",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-09-15T20:00:17Z",
    "title_canon_sha256": "e523e66ea75870b95cd353dc3cdbd1cdae85d829813b10b16d29f87dabb733f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4423",
    "kind": "arxiv",
    "version": 2
  }
}