Pith Number

pith:LGG7V2YX

pith:1995:LGG7V2YXF3C4FOS7ZV3SUM7M7S

not attested not anchored not stored refs pending

Intrinsic Interstellar Absorption in two Radio Galaxies at z=0.8

A. Cimatti, S. di Serego Alighieri, S. Savaglio

arxiv:astro-ph/9502007 v1 · 1995-02-02 · 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{LGG7V2YXF3C4FOS7ZV3SUM7M7S}

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	2026-05-18T01:07:42.458430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598dfaeb172ec5c2ba5fcd772a33ecfcba7e1755c817bb977b5856e0c9cc393b

Aliases

arxiv: astro-ph/9502007 · arxiv_version: astro-ph/9502007v1 · doi: 10.48550/arxiv.astro-ph/9502007 · pith_short_12: LGG7V2YXF3C4 · pith_short_16: LGG7V2YXF3C4FOS7 · pith_short_8: LGG7V2YX

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/LGG7V2YXF3C4FOS7ZV3SUM7M7S \
  | 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: 598dfaeb172ec5c2ba5fcd772a33ecfcba7e1755c817bb977b5856e0c9cc393b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7546e430f4626f7bec039c771a80776f3810b9e5061fd2c6d6f9474f3d4777b8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-02T14:39:17Z",
    "title_canon_sha256": "7b87c4a786913d750b65a3cc292850cd025665979006440170c1db1fe9b6ba41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502007",
    "kind": "arxiv",
    "version": 1
  }
}