Pith Number

pith:GJH5Z6WH

pith:2017:GJH5Z6WHDTEX3MOLKOVCEJC5SY

not attested not anchored not stored refs pending

A Catalog of Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey Data Release 12

C. S. Stalin, Hum Chand, Suvendu Rakshit, Xue-Guang Zhang

arxiv:1704.07700 v1 · 2017-04-25 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJH5Z6WHDTEX3MOLKOVCEJC5SY}

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	2026-05-18T00:45:37.199459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

324fdcfac71cc97db1cb53aa22245d96233bd7ae3956499fc875ed3d60f45334

Aliases

arxiv: 1704.07700 · arxiv_version: 1704.07700v1 · doi: 10.48550/arxiv.1704.07700 · pith_short_12: GJH5Z6WHDTEX · pith_short_16: GJH5Z6WHDTEX3MOL · pith_short_8: GJH5Z6WH

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/GJH5Z6WHDTEX3MOLKOVCEJC5SY \
  | 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: 324fdcfac71cc97db1cb53aa22245d96233bd7ae3956499fc875ed3d60f45334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02df943e6e88a318b047320531783bfdd0682323efa5e7519a6b2c0fe5314510",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-25T14:02:24Z",
    "title_canon_sha256": "1ae6f9a0f1ccd7e98e5e720d2d7efc14ac2f8cc1c6a105d8f8afa197f9d4e3ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07700",
    "kind": "arxiv",
    "version": 1
  }
}