Pith Number

pith:IQ3OIVBO

pith:1997:IQ3OIVBODU7PCH3GXUW257YVNF

not attested not anchored not stored refs pending

Physical Conditions of the Coronal Line Region in Seyfert Galaxies

Gary J. Ferland (University of Kentucky), Jason W. Ferguson, Kirk T. Korista

arxiv:astro-ph/9705082 v1 · 1997-05-12 · 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{IQ3OIVBODU7PCH3GXUW257YVNF}

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	2026-07-04T16:03:00.216375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4436e4542e1d3ef11f66bd2daeff156955782d41d4f9881eb317faf3e343869d

Aliases

arxiv: astro-ph/9705082 · arxiv_version: astro-ph/9705082v1 · doi: 10.48550/arxiv.astro-ph/9705082 · pith_short_12: IQ3OIVBODU7P · pith_short_16: IQ3OIVBODU7PCH3G · pith_short_8: IQ3OIVBO

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/IQ3OIVBODU7PCH3GXUW257YVNF \
  | 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: 4436e4542e1d3ef11f66bd2daeff156955782d41d4f9881eb317faf3e343869d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b26330800a0d3e6446efc82dc7c57cfb661f36707db17df5ff56da7bb84bee51",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-12T17:24:57Z",
    "title_canon_sha256": "b02443586e83b6430de37ba06de46c5ca216017030c11632a1ac68f1f908fd98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705082",
    "kind": "arxiv",
    "version": 1
  }
}