Pith Number

pith:4RVKBDZJ

pith:2012:4RVKBDZJDDQIAMUSMBWQDUTJUT

not attested not anchored not stored refs pending

The XMM-Newton survey of the Small Magellanic Cloud: XMMUJ010633.1-731543 and XMMUJ010743.1-715953, two new Be/X-ray binary systems

A. Udalski (Warsaw), D. Hatzidimitriou (Athens), E.S. Bartlett (Southampton), F. Haberl (MPE), L.J. Townsend (Southampton), M. Filipovic (Sydney), M.J. Coe (Southampton), R. Sturm (MPE), S. Mereghetti (INAF)

arxiv:1204.5903 v1 · 2012-04-26 · 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{4RVKBDZJDDQIAMUSMBWQDUTJUT}

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	2026-05-18T00:56:52.694177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46aa08f2918e0803292606d01d269a4ed9378ec61ef20c77df523275ca88cb9

Aliases

arxiv: 1204.5903 · arxiv_version: 1204.5903v1 · doi: 10.48550/arxiv.1204.5903 · pith_short_12: 4RVKBDZJDDQI · pith_short_16: 4RVKBDZJDDQIAMUS · pith_short_8: 4RVKBDZJ

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/4RVKBDZJDDQIAMUSMBWQDUTJUT \
  | 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: e46aa08f2918e0803292606d01d269a4ed9378ec61ef20c77df523275ca88cb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3575aca122a64c123c1541ae44f596824b48717c5c98c2735a449cfe014d78db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-26T12:41:02Z",
    "title_canon_sha256": "0e44fda169a8eae34c26d331ab4977b694f427a87881f7c1eb94c788a49a2110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5903",
    "kind": "arxiv",
    "version": 1
  }
}