Pith Number

pith:FKM6BMF4

pith:1997:FKM6BMF45T6UUEIIOFCA5EBC4M

not attested not anchored not stored refs pending

The Vela X-1 pulse-averaged spectrum as observed by BeppoSAX

(2) IFCAI/CNR Palermo, A. Segreto (2), BeppoSAX/SDC Rome, D. Dal Fiume (1), F. Frontera (1), G. Cusumano (2), IAS/CNR Rome), L. Piro (4) ((1) TeSRE/CNR Bologna, M. Guainazzi (3), M. Orlandini (1), S. Del Sordo (2), S. Giarrusso (2), S. Piraino (2)

arxiv:astro-ph/9711215 v1 · 1997-11-19 · 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{FKM6BMF45T6UUEIIOFCA5EBC4M}

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	2026-07-04T14:15:25.121784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a99e0b0bcecfd4a110871440e9022e307adf775abe129207f239f6a64a7abd4

Aliases

arxiv: astro-ph/9711215 · arxiv_version: astro-ph/9711215v1 · doi: 10.48550/arxiv.astro-ph/9711215 · pith_short_12: FKM6BMF45T6U · pith_short_16: FKM6BMF45T6UUEII · pith_short_8: FKM6BMF4

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/FKM6BMF45T6UUEIIOFCA5EBC4M \
  | 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: 2a99e0b0bcecfd4a110871440e9022e307adf775abe129207f239f6a64a7abd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "048ef40b5763edb46102368cef1636ab4d6562d23ddbe4fe777197927fdfc286",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-11-19T09:51:27Z",
    "title_canon_sha256": "dbff2d5a2a4ba07ed2a2e34f128611ea09c51ca0487d858294089159c34bf0c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9711215",
    "kind": "arxiv",
    "version": 1
  }
}