Pith Number

pith:7FPHQLLE

pith:2021:7FPHQLLEWI37KRSLS2M2CX5BT5

not attested not anchored not stored refs pending

Ultraluminous X-Ray Sources

A.S. Vinokurov, K.E. Atapin, O.N. Sholukhova, S.N. Fabrika

arxiv:2105.10537 v1 · 2021-05-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FPHQLLEWI37KRSLS2M2CX5BT5}

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	2026-07-05T02:42:15.505934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95e782d64b237f5464b9699a15fa19f5c3072fe8a4dd767803ef2017f040516

Aliases

arxiv: 2105.10537 · arxiv_version: 2105.10537v1 · doi: 10.48550/arxiv.2105.10537 · pith_short_12: 7FPHQLLEWI37 · pith_short_16: 7FPHQLLEWI37KRSL · pith_short_8: 7FPHQLLE

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/7FPHQLLEWI37KRSLS2M2CX5BT5 \
  | 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: f95e782d64b237f5464b9699a15fa19f5c3072fe8a4dd767803ef2017f040516

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d09b1acb0ae86a275511cca1f543f2a9929ccd253932a2511ba3a553d1f55e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-21T19:03:11Z",
    "title_canon_sha256": "806a74cb1af7bc4e0490b0fe68a04bad4ec57c6182390ee2387e20fcfe60dbd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10537",
    "kind": "arxiv",
    "version": 1
  }
}