Pith Number

pith:OWCVI7H5

pith:2010:OWCVI7H5GVFIUKMGV26FWSFNUW

not attested not anchored not stored refs pending

High Resolution X-Ray Spectroscopy of SN 1987A: Monitoring with XMM-Newton

B. Aschenbach, F. Haberl, G. Hasinger, R. Sturm

arxiv:1002.1865 v1 · 2010-02-09 · 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{OWCVI7H5GVFIUKMGV26FWSFNUW}

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	2026-05-18T02:09:10.808343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7585547cfd354a8a2986aebc5b48ada5be25b7264f0fbd1c55e126058bdd7b51

Aliases

arxiv: 1002.1865 · arxiv_version: 1002.1865v1 · doi: 10.48550/arxiv.1002.1865 · pith_short_12: OWCVI7H5GVFI · pith_short_16: OWCVI7H5GVFIUKMG · pith_short_8: OWCVI7H5

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/OWCVI7H5GVFIUKMGV26FWSFNUW \
  | 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: 7585547cfd354a8a2986aebc5b48ada5be25b7264f0fbd1c55e126058bdd7b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d2418faba363284a4fc4ba4fa5ff5f8c25be792b3fc63a33e8c88f0e244df8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-02-09T14:36:35Z",
    "title_canon_sha256": "5a2a31f50130d93742d014a7d937d4703f2ddc1079924db9aca47cdd128a279b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1865",
    "kind": "arxiv",
    "version": 1
  }
}