Pith Number

pith:YP4FL3KI

pith:2021:YP4FL3KICUWSDJ2JP5HDABLGFO

not attested not anchored not stored refs pending

Discovery of four super-soft X-ray sources in XMM-Newton observations of the Large Magellanic Cloud

Chandreyee Maitra, Frank Haberl

arxiv:2110.02165 v1 · 2021-10-05 · 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{YP4FL3KICUWSDJ2JP5HDABLGFO}

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	2026-07-05T03:43:58.030645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3f855ed48152d21a7497f4e3005662b80d9f93345eac66e05a57405f7faab34

Aliases

arxiv: 2110.02165 · arxiv_version: 2110.02165v1 · doi: 10.48550/arxiv.2110.02165 · pith_short_12: YP4FL3KICUWS · pith_short_16: YP4FL3KICUWSDJ2J · pith_short_8: YP4FL3KI

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/YP4FL3KICUWSDJ2JP5HDABLGFO \
  | 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: c3f855ed48152d21a7497f4e3005662b80d9f93345eac66e05a57405f7faab34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "061cb60d686840df3027502dc748ce4da2ed43c6879716852e33250c1fd1ec54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-05T16:56:29Z",
    "title_canon_sha256": "c8af70259f7f9fcabeb2d8fe83a4ac19acdd72cb702cbdf150bba70c6968d698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02165",
    "kind": "arxiv",
    "version": 1
  }
}