Pith Number

pith:A3Y7OVQG

pith:2019:A3Y7OVQGMAIRL2N4O3UMWHZEDJ

not attested not anchored not stored refs pending

Deciphering the Nature of the Pulsar Wind Nebula CTB 87 with XMM-Newton

Austin MacMaster, Barbara Olmi, Benson Guest, Elena Amato, Niccolo Bucciantini, Roland Kothes, Samar Safi-Harb, Zaven Arzoumanian

arxiv:1911.11829 v1 · 2019-11-26 · 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{A3Y7OVQGMAIRL2N4O3UMWHZEDJ}

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	2026-07-05T00:30:37.690606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f1f75606601115e9bc76e8cb1f241a632a187a4a22669708ee69f13d6c8249

Aliases

arxiv: 1911.11829 · arxiv_version: 1911.11829v1 · doi: 10.48550/arxiv.1911.11829 · pith_short_12: A3Y7OVQGMAIR · pith_short_16: A3Y7OVQGMAIRL2N4 · pith_short_8: A3Y7OVQG

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/A3Y7OVQGMAIRL2N4O3UMWHZEDJ \
  | 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: 06f1f75606601115e9bc76e8cb1f241a632a187a4a22669708ee69f13d6c8249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24197ac52ab528f1e7d1f218f9f0e12ec848d1c044518e3d08c83a356cd2eef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-11-26T20:48:58Z",
    "title_canon_sha256": "0fd53ab313f857dacd387f40093580bd49619bf9a1c27c80cf3a52b808b9f3ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11829",
    "kind": "arxiv",
    "version": 1
  }
}