Pith Number

pith:P6XCXKPZ

pith:2017:P6XCXKPZ2MDZ4P2F6C3VR72O7C

not attested not anchored not stored refs pending

Spectral energy distributions and colours of hot subluminous stars

Andreas Irrgang, Johannes Schaffenroth, Ulrich Heber

arxiv:1712.06546 v1 · 2017-12-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6XCXKPZ2MDZ4P2F6C3VR72O7C}

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	2026-05-18T00:27:47.601987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fae2ba9f9d3079e3f45f0b758ff4ef8b32fad903e02ce20c2474ada61b6a433

Aliases

arxiv: 1712.06546 · arxiv_version: 1712.06546v1 · doi: 10.48550/arxiv.1712.06546 · pith_short_12: P6XCXKPZ2MDZ · pith_short_16: P6XCXKPZ2MDZ4P2F · pith_short_8: P6XCXKPZ

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/P6XCXKPZ2MDZ4P2F6C3VR72O7C \
  | 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: 7fae2ba9f9d3079e3f45f0b758ff4ef8b32fad903e02ce20c2474ada61b6a433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb5dc1b9ba856846784e6f19e8c7f2e72e5e2ccddad37ef4714068e30795698",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-18T17:34:31Z",
    "title_canon_sha256": "c144ad29171ccf6efd312ac413f4ca37619a282264183eec94d77c7d7d7237b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06546",
    "kind": "arxiv",
    "version": 1
  }
}