Pith Number

pith:TXKPGF4U

pith:1997:TXKPGF4U5P7VZZHNRFXVDUIWUE

not attested not anchored not stored refs pending

The broad-band (0.1-200 keV) spectrum of Her X-1 observed with BeppoSAX

(2) IFCAI/CNR - Palermo, (3) IAS/CNR - Roma, 4), (4) Phys. Dept. Univ. Ferrara, (5) ESA/SSD - Estec - Noordwijk), A.N. Parmar (5), A. Santangelo (2), A. Segreto (2) ((1) Istituto TeSRE/CNR - Bologna, D. Dal Fiume (1), E. Palazzi (1), F. Frontera (1, G. Cusumano (2), M. Feroci (3), M. Orlandini (1), S. Del Sordo (2), T. Oosterbroek (5)

arxiv:astro-ph/9711295 v1 · 1997-11-25 · 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{TXKPGF4U5P7VZZHNRFXVDUIWUE}

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	2026-07-04T14:15:25.706780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd4f31794ebff5ce4ed896f51d116a13ddb16ed3452ca878074206a6b14e19d

Aliases

arxiv: astro-ph/9711295 · arxiv_version: astro-ph/9711295v1 · doi: 10.48550/arxiv.astro-ph/9711295 · pith_short_12: TXKPGF4U5P7V · pith_short_16: TXKPGF4U5P7VZZHN · pith_short_8: TXKPGF4U

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/TXKPGF4U5P7VZZHNRFXVDUIWUE \
  | 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: 9dd4f31794ebff5ce4ed896f51d116a13ddb16ed3452ca878074206a6b14e19d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dedcfbc0bbc1d993c07c18950d8025d0620e9d07a59c1c42f4cd253ec17f4326",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-11-25T13:35:31Z",
    "title_canon_sha256": "78c259bb11b21cd436bf47f2fd1baaf1df98404a91e21a7f4c94bbb6f1f5202c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9711295",
    "kind": "arxiv",
    "version": 1
  }
}