Pith Number

pith:4WDBGJ5J

pith:2002:4WDBGJ5JU37JG2KDHMSCD4DDNC

not attested not anchored not stored refs pending

An X-ray investigation of the NGC 346 field in the SMC (2) : the field population

A.F.J. Moffat, G. Skalkowski, I.R. Stevens, J. Manfroid, J.M. Hartwell, M. F. Corcoran, S. Marchenko, Y. Naze

arxiv:astro-ph/0212197 v1 · 2002-12-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WDBGJ5JU37JG2KDHMSCD4DDNC}

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	2026-07-04T16:31:22.859491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5861327a9a6fe9369433b2421f06368851602c240c1897e0fb07d8467cfbbe4

Aliases

arxiv: astro-ph/0212197 · arxiv_version: astro-ph/0212197v1 · doi: 10.48550/arxiv.astro-ph/0212197 · pith_short_12: 4WDBGJ5JU37J · pith_short_16: 4WDBGJ5JU37JG2KD · pith_short_8: 4WDBGJ5J

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/4WDBGJ5JU37JG2KDHMSCD4DDNC \
  | 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: e5861327a9a6fe9369433b2421f06368851602c240c1897e0fb07d8467cfbbe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f685b85a6022d4500537addfeb88ac3ec21a0a5ee0628a996ec8270e2b02660b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-09T09:13:30Z",
    "title_canon_sha256": "61b67525e9daed899626b598cbd276e7fb18c3b223aa652003c3602a3b9d3209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212197",
    "kind": "arxiv",
    "version": 1
  }
}