Pith Number

pith:GV5R2TZ4

pith:1997:GV5R2TZ4P3IHZWP6EUQH5TLMBP

not attested not anchored not stored refs pending

The Nature of the Broad--Line--Region in the Radio--Loud AGN 3C390.3

Norbert Schartel, Roberto Vio, Wang Ting-Gui, Willem Wamsteker

arxiv:astro-ph/9703091 v1 · 1997-03-13 · 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{GV5R2TZ4P3IHZWP6EUQH5TLMBP}

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	2026-05-18T01:40:18.014617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

357b1d4f3c7ed07cd9fe25207ecd6c0bdfa1a651b22444f886ae0e9f34aa5009

Aliases

arxiv: astro-ph/9703091 · arxiv_version: astro-ph/9703091v1 · doi: 10.48550/arxiv.astro-ph/9703091 · pith_short_12: GV5R2TZ4P3IH · pith_short_16: GV5R2TZ4P3IHZWP6 · pith_short_8: GV5R2TZ4

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/GV5R2TZ4P3IHZWP6EUQH5TLMBP \
  | 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: 357b1d4f3c7ed07cd9fe25207ecd6c0bdfa1a651b22444f886ae0e9f34aa5009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b661b6445c2278401f4d144e1a7b1d12de0dc99464a66bf6d3a58155e70e6827",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-13T15:47:32Z",
    "title_canon_sha256": "d891774eb2f65818e33dc418dc2aec62b56c0ae3eaab98defaded4c1ebad75eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703091",
    "kind": "arxiv",
    "version": 1
  }
}