Pith Number

pith:CMJGKP2P

pith:1998:CMJGKP2PJOZBQCH6UGSZ33IF6I

not attested not anchored not stored refs pending

Enhanced Star Formation in Seyfert 2 Galaxies

China), J.-H. Huang, L. Ji (Nanjing University, Q.-S. Gu

arxiv:astro-ph/9810097 v1 · 1998-10-07 · 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{CMJGKP2PJOZBQCH6UGSZ33IF6I}

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	2026-05-18T01:07:36.996999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1312653f4f4bb21808fea1a59ded05f21ae53a730fd02764cecba36dc70def29

Aliases

arxiv: astro-ph/9810097 · arxiv_version: astro-ph/9810097v1 · doi: 10.48550/arxiv.astro-ph/9810097 · pith_short_12: CMJGKP2PJOZB · pith_short_16: CMJGKP2PJOZBQCH6 · pith_short_8: CMJGKP2P

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/CMJGKP2PJOZBQCH6UGSZ33IF6I \
  | 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: 1312653f4f4bb21808fea1a59ded05f21ae53a730fd02764cecba36dc70def29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8988b281d08aed2d8a40c226842ad13a99b4c02ad5bb6462a11171a541f79eed",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-07T07:00:57Z",
    "title_canon_sha256": "c5a79ea64853da65d263afbbe9b098ad4d4cf07221edc181fde37ed6d9982549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810097",
    "kind": "arxiv",
    "version": 1
  }
}