Pith Number

pith:7ARRIPKX

pith:1997:7ARRIPKXTYBWSM3AV4ZCUPJMO6

not attested not anchored not stored refs pending

A deep ROSAT Survey - XIV. X-ray emission from faint galaxies

B. J. Boyle, G.C. Stewart, I. Georgantopoulos, N. Roche, O. Almaini, R. E. Griffiths, T. Shanks

arxiv:astro-ph/9704117 v2 · 1997-04-14 · 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{7ARRIPKXTYBWSM3AV4ZCUPJMO6}

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	2026-05-18T01:40:17.788037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f823143d579e03693360af322a3d2c77957c80fa83d10b9291f8a58706491fe7

Aliases

arxiv: astro-ph/9704117 · arxiv_version: astro-ph/9704117v2 · doi: 10.48550/arxiv.astro-ph/9704117 · pith_short_12: 7ARRIPKXTYBW · pith_short_16: 7ARRIPKXTYBWSM3A · pith_short_8: 7ARRIPKX

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/7ARRIPKXTYBWSM3AV4ZCUPJMO6 \
  | 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: f823143d579e03693360af322a3d2c77957c80fa83d10b9291f8a58706491fe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98633a55d84a95ea4cd6cc950927f279402be7d06dc53b3aed4fdad2b4fa9c9e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-14T17:49:31Z",
    "title_canon_sha256": "f03840366fd088203dc5478bfbc87d72f91c900154c9d854dc963383cd1a2b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704117",
    "kind": "arxiv",
    "version": 2
  }
}