Pith Number

pith:XF7ZFCIS

pith:1995:XF7ZFCISA57E45JXK6VCNOYQPL

not attested not anchored not stored refs pending

Spectroscopic Evidence That the Extreme Properties of IRAS F10214+4724 are due to Gravitational Lensing

D.L. Clements, Lindsay King, Mark Lacy, Stephen Serjeant, Steve Rawlings

arxiv:astro-ph/9506089 v1 · 1995-06-14 · 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{XF7ZFCISA57E45JXK6VCNOYQPL}

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	2026-05-18T01:12:44.140770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97f928912077e4e753757aa26bb107afb7ec87d19c6350ea1cfaa523aec3d84

Aliases

arxiv: astro-ph/9506089 · arxiv_version: astro-ph/9506089v1 · doi: 10.48550/arxiv.astro-ph/9506089 · pith_short_12: XF7ZFCISA57E · pith_short_16: XF7ZFCISA57E45JX · pith_short_8: XF7ZFCIS

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/XF7ZFCISA57E45JXK6VCNOYQPL \
  | 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: b97f928912077e4e753757aa26bb107afb7ec87d19c6350ea1cfaa523aec3d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1111504dcc0ef3ca5c57ac8d16a67447195d064cfdc34dc16dae38b489d83c8a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-06-14T20:52:04Z",
    "title_canon_sha256": "635933d5b533106339bcc807f389665be870bcac29b10c15f9e5271c7657d532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9506089",
    "kind": "arxiv",
    "version": 1
  }
}