Pith Number

pith:YP6JZQS2

pith:2015:YP6JZQS27F7OJP7PXAS36AVBIH

not attested not anchored not stored refs pending

Temporal evolution of long-timescale periodicities in ULX NGC 5408 X-1

Jun-yi Wang, Tao An, Xiang-Long Lu

arxiv:1510.01414 v2 · 2015-10-06 · 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{YP6JZQS27F7OJP7PXAS36AVBIH}

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	2026-05-18T01:23:55.128481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3fc9cc25af97ee4bfefb825bf02a141f4063d8dcaf1c63fa032d5b065b0d9eb

Aliases

arxiv: 1510.01414 · arxiv_version: 1510.01414v2 · doi: 10.48550/arxiv.1510.01414 · pith_short_12: YP6JZQS27F7O · pith_short_16: YP6JZQS27F7OJP7P · pith_short_8: YP6JZQS2

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/YP6JZQS27F7OJP7PXAS36AVBIH \
  | 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: c3fc9cc25af97ee4bfefb825bf02a141f4063d8dcaf1c63fa032d5b065b0d9eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc2de73f150ff3bede20a24ae21c7ae73fa03594ae6669c1f4eae4d5aef1b04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-06T02:08:44Z",
    "title_canon_sha256": "2cb0e6c1c14b3246ab0145aa3b52bd457a9f8234f4de480f98ac3e91ab8d24ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01414",
    "kind": "arxiv",
    "version": 2
  }
}