Pith Number

pith:66OVZEXU

pith:2018:66OVZEXUMYWF553DOGTUQBVOLG

not attested not anchored not stored refs pending

WISE view of Narrow-Line Seyfert 1 galaxies: mid-infrared color and variability

Ansu Johnson, C. S. Stalin, Poshak Gandhi, Sebastian Hoenig, Suvendu Rakshit

arxiv:1811.11372 v1 · 2018-11-28 · astro-ph.GA · 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{66OVZEXUMYWF553DOGTUQBVOLG}

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	2026-05-17T23:58:36.090074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79d5c92f4662c5ef76371a74806ae598bb513ccbda630bd37f00c3447a35230

Aliases

arxiv: 1811.11372 · arxiv_version: 1811.11372v1 · doi: 10.48550/arxiv.1811.11372 · pith_short_12: 66OVZEXUMYWF · pith_short_16: 66OVZEXUMYWF553D · pith_short_8: 66OVZEXU

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/66OVZEXUMYWF553DOGTUQBVOLG \
  | 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: f79d5c92f4662c5ef76371a74806ae598bb513ccbda630bd37f00c3447a35230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cb7c18ed8cbc654730cbe53243457b8fb42875d0ed31decc0c0f1a6e3cf20b6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-28T03:31:20Z",
    "title_canon_sha256": "b39fc6805b463bec843a48d4465eec1dcfbb7bcd336e9c286f6f144ebe3b33a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11372",
    "kind": "arxiv",
    "version": 1
  }
}