Pith Number

pith:RI6FQAPN

pith:1998:RI6FQAPNDRCJWCKVQNRTB7CW45

not attested not anchored not stored refs pending

The Comptonized X-ray source X1724-308 in the globular cluster Terzan 2

2), A.N.Parmar (1), A.Segreto (1, Bologna, D.Dal Fiume (4), I), I; (3) Osservatorio Astronomico di Roma, I; (4) ITESRE/CNR, L.Stella (3), M.Guainazzi (1), NL; (2) IFCAI/CNR, Noordwijk, Palermo, SSD of ESA, T.Oosterbroek (1) ((1) Astrophysics Division

arxiv:astro-ph/9809014 v1 · 1998-09-02 · 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{RI6FQAPNDRCJWCKVQNRTB7CW45}

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	2026-07-04T14:16:00.043647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a3c5801ed1c449b0955836330fc56e7591cdf1a142eb1336fb8c7b7955b3bca

Aliases

arxiv: astro-ph/9809014 · arxiv_version: astro-ph/9809014v1 · doi: 10.48550/arxiv.astro-ph/9809014 · pith_short_12: RI6FQAPNDRCJ · pith_short_16: RI6FQAPNDRCJWCKV · pith_short_8: RI6FQAPN

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/RI6FQAPNDRCJWCKVQNRTB7CW45 \
  | 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: 8a3c5801ed1c449b0955836330fc56e7591cdf1a142eb1336fb8c7b7955b3bca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd6c574e44e324e70fd5400c97243eef31bf6447b7126ec88e937f01c8c7c8b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-09-02T15:29:22Z",
    "title_canon_sha256": "0e96dc4ad3c4d5fe81667c4bb05d0a44d83e911ae569c98b17c1e83f9fe87cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9809014",
    "kind": "arxiv",
    "version": 1
  }
}