Pith Number

pith:T7EJAEYH

pith:2015:T7EJAEYH7KRJLPVV34YWOYGRU3

not attested not anchored not stored refs pending

X-rays from Hot Subdwarfs

Nicola La Palombara, Sandro Mereghetti

arxiv:1510.04173 v1 · 2015-10-14 · astro-ph.SR · 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{T7EJAEYH7KRJLPVV34YWOYGRU3}

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	2026-05-18T01:10:33.140731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc8901307faa295beb5df316760d1a6e123fc042f3518dfb837f130cb0e4491

Aliases

arxiv: 1510.04173 · arxiv_version: 1510.04173v1 · doi: 10.48550/arxiv.1510.04173 · pith_short_12: T7EJAEYH7KRJ · pith_short_16: T7EJAEYH7KRJLPVV · pith_short_8: T7EJAEYH

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/T7EJAEYH7KRJLPVV34YWOYGRU3 \
  | 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: 9fc8901307faa295beb5df316760d1a6e123fc042f3518dfb837f130cb0e4491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8408b919bf3007c6b57bc4861adbed8bf4f3672f21d7cd52e94132c37864b18e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-14T15:54:35Z",
    "title_canon_sha256": "54cbfb69982919edfff21eb4c869f3cdb2784f78336cc95535eaee08e6b46568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04173",
    "kind": "arxiv",
    "version": 1
  }
}