Pith Number

pith:3PGBBE4I

pith:1997:3PGBBE4IWHT33QLOTZFZAPEKAI

not attested not anchored not stored refs pending

X-Ray Spectral Analysis of Elliptical Galaxies from ASCA: the Fe Abundance in a Multi-Phase Medium

A. C. Fabian (IoA, Cambridge), David A. Buote

arxiv:astro-ph/9707117 v2 · 1997-07-10 · 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{3PGBBE4IWHT33QLOTZFZAPEKAI}

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	2026-05-18T01:07:38.212647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbcc109388b1e7bdc16e9e4b903c8a02034b3af1863009e95c751bc0f8cdc2ae

Aliases

arxiv: astro-ph/9707117 · arxiv_version: astro-ph/9707117v2 · doi: 10.48550/arxiv.astro-ph/9707117 · pith_short_12: 3PGBBE4IWHT3 · pith_short_16: 3PGBBE4IWHT33QLO · pith_short_8: 3PGBBE4I

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/3PGBBE4IWHT33QLOTZFZAPEKAI \
  | 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: dbcc109388b1e7bdc16e9e4b903c8a02034b3af1863009e95c751bc0f8cdc2ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d88bdf89ad292c291067ca874e7e821ee73896c210c22989231872d81a9fe949",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-10T00:16:44Z",
    "title_canon_sha256": "c2847c0031d7eaf611354367b7199352b5d22091a3a3a7ab8933bbad4442ab5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707117",
    "kind": "arxiv",
    "version": 2
  }
}