Pith Number

pith:AMAS7RWI

pith:2018:AMAS7RWIAIUVWTZR2IEHWBI47D

not attested not anchored not stored refs pending

Polarimetric and spectroscopic study of radio-quiet weak emission line quasars

C. S. Stalin, Gopal-Krishna, H. Chand, Parveen Kumar, P. Petitjean, R. Srianand

arxiv:1807.00630 v1 · 2018-07-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMAS7RWIAIUVWTZR2IEHWBI47D}

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	2026-05-18T00:09:58.463622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03012fc6c802295b4f31d2087b051cf8fee05746f7869ed4f3dc3c013c57af5f

Aliases

arxiv: 1807.00630 · arxiv_version: 1807.00630v1 · doi: 10.48550/arxiv.1807.00630 · pith_short_12: AMAS7RWIAIUV · pith_short_16: AMAS7RWIAIUVWTZR · pith_short_8: AMAS7RWI

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/AMAS7RWIAIUVWTZR2IEHWBI47D \
  | 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: 03012fc6c802295b4f31d2087b051cf8fee05746f7869ed4f3dc3c013c57af5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e25b17ae0747d1212bd31a53569a41c19c9a8338f104742a0cbc49bb9dd7d57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-02T12:39:43Z",
    "title_canon_sha256": "40a8ec98490a7e74cb8da15ed184c65e08fc096f2699d1fb08681b82f2179a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00630",
    "kind": "arxiv",
    "version": 1
  }
}