Pith Number

pith:QQBRHCIQ

pith:1997:QQBRHCIQ6S2523SCIEHG7G5U25

not attested not anchored not stored refs pending

The broad-band X-ray spectrum of RE 0751+14 (PQ Gem)

D. de Martino, F. Giovannelli, F. Haberl, G. Matt, J. Osborne, K. Mukai, L. Chiappetti, M. Mouchet, S. Molendi, T. Belloni

arxiv:astro-ph/9712231 v1 · 1997-12-17 · 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{QQBRHCIQ6S2523SCIEHG7G5U25}

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	2026-05-18T01:40:14.698619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808

Aliases

arxiv: astro-ph/9712231 · arxiv_version: astro-ph/9712231v1 · doi: 10.48550/arxiv.astro-ph/9712231 · pith_short_12: QQBRHCIQ6S25 · pith_short_16: QQBRHCIQ6S2523SC · pith_short_8: QQBRHCIQ

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/QQBRHCIQ6S2523SCIEHG7G5U25 \
  | 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: 8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1d676665798790c9151ecdc7d42893aa0e20369bf5eb2b54a699ab9846398e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-17T15:31:37Z",
    "title_canon_sha256": "605f681c0eb3ed678a8192056f16e969b47dbb92cfe2f47be629d402bd4609f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712231",
    "kind": "arxiv",
    "version": 1
  }
}