Pith Number

pith:SQFT2AXF

pith:1995:SQFT2AXF6XL5ARXXZ4R7UMM3UC

not attested not anchored not stored refs pending

The variable OVIII Warm Absorber in MCG-6-30-15

A.C. Fabian, C. Otani, C.S. Reynolds, F. Makino, H. Inoue, H. Kunieda, K. Hayashida, K. Iwasawa, M. Matsuoka, T. Kii, Y. Tanaka

arxiv:astro-ph/9511063 v1 · 1995-11-15 · 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{SQFT2AXF6XL5ARXXZ4R7UMM3UC}

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	2026-05-18T01:40:22.354902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

940b3d02e5f5d7d046f7cf23fa319ba0ba422871f1861842429049d94ed3f0a0

Aliases

arxiv: astro-ph/9511063 · arxiv_version: astro-ph/9511063v1 · doi: 10.48550/arxiv.astro-ph/9511063 · pith_short_12: SQFT2AXF6XL5 · pith_short_16: SQFT2AXF6XL5ARXX · pith_short_8: SQFT2AXF

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/SQFT2AXF6XL5ARXXZ4R7UMM3UC \
  | 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: 940b3d02e5f5d7d046f7cf23fa319ba0ba422871f1861842429049d94ed3f0a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87488a15e2f3e2c0b3c4b66f9cea3e92eefdaca2ad979a1aa996f65cfc542698",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-11-15T09:54:17Z",
    "title_canon_sha256": "59153f046a023c4e2c7a8260080e88491f37fb41206da1eaead540ffb73bb0bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9511063",
    "kind": "arxiv",
    "version": 1
  }
}