Pith Number

pith:N3UUSHN7

pith:2017:N3UUSHN7QJWWOI5WMTUQ6KXOZG

not attested not anchored not stored refs pending

Energy-dependent variability of the bare Seyfert 1 galaxy Ark 120

Gulab C. Dewangan, I. M. McHardy, Labani Mallick, Mayukh Pahari

arxiv:1703.06432 v2 · 2017-03-19 · 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{N3UUSHN7QJWWOI5WMTUQ6KXOZG}

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	2026-05-18T00:35:23.140655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee9491dbf826d6723b664e90f2aeec9b89a4666c60a587ece661a3b896678da

Aliases

arxiv: 1703.06432 · arxiv_version: 1703.06432v2 · doi: 10.48550/arxiv.1703.06432 · pith_short_12: N3UUSHN7QJWW · pith_short_16: N3UUSHN7QJWWOI5W · pith_short_8: N3UUSHN7

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/N3UUSHN7QJWWOI5WMTUQ6KXOZG \
  | 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: 6ee9491dbf826d6723b664e90f2aeec9b89a4666c60a587ece661a3b896678da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db8612f3e8ce851982ac1424ba5a9027d9fc472f1ecd1e9087250ce28bd9e22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-03-19T13:14:48Z",
    "title_canon_sha256": "0b499c6a29d95642f2b2916ce292e40857b751544859e256941a959665c0f667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06432",
    "kind": "arxiv",
    "version": 2
  }
}