Pith Number

pith:SFUBSN5X

pith:2015:SFUBSN5XQHNN4TQROPEIZV3HJA

not attested not anchored not stored refs pending

Swift reveals a ~5.7 day super-orbital period in the M31 globular cluster X-ray binary XB158

M. R. Garcia, R. Barnard, S. S. Murrray

arxiv:1501.01978 v1 · 2015-01-08 · 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{SFUBSN5XQHNN4TQROPEIZV3HJA}

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	2026-05-18T01:41:13.672933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91681937b781dade4e1173c88cd767482e5216eb75c42208951693bf632e4059

Aliases

arxiv: 1501.01978 · arxiv_version: 1501.01978v1 · doi: 10.48550/arxiv.1501.01978 · pith_short_12: SFUBSN5XQHNN · pith_short_16: SFUBSN5XQHNN4TQR · pith_short_8: SFUBSN5X

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/SFUBSN5XQHNN4TQROPEIZV3HJA \
  | 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: 91681937b781dade4e1173c88cd767482e5216eb75c42208951693bf632e4059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13df61d753c1184a609635dff8bd016c49d36ad22ed4e9912ccf9f35cf286696",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-08T21:01:31Z",
    "title_canon_sha256": "a300ff53857de86100e62dab367c1224c51c2de279123395ea218a260b699038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01978",
    "kind": "arxiv",
    "version": 1
  }
}