Pith Number

pith:G63NJLPP

pith:2016:G63NJLPP6J6WHUZDTKEGFQWS4O

not attested not anchored not stored refs pending

Ultraviolet and X-ray variability of active galactic nuclei with Swift

Andrew C. Fabian, Anne M. Lohfink, Douglas J. K. Buisson, William N. Alston

arxiv:1609.08638 v1 · 2016-09-27 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G63NJLPP6J6WHUZDTKEGFQWS4O}

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	2026-05-18T00:57:25.814817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37b6d4adeff27d63d3239a8862c2d2e3884200759aaab5daa38216106b519eea

Aliases

arxiv: 1609.08638 · arxiv_version: 1609.08638v1 · doi: 10.48550/arxiv.1609.08638 · pith_short_12: G63NJLPP6J6W · pith_short_16: G63NJLPP6J6WHUZD · pith_short_8: G63NJLPP

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/G63NJLPP6J6WHUZDTKEGFQWS4O \
  | 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: 37b6d4adeff27d63d3239a8862c2d2e3884200759aaab5daa38216106b519eea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02ea48a819b123133c902c0a25918b88569357e3ed2732a710202faf2e10acc6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-27T20:01:12Z",
    "title_canon_sha256": "a4b2962bb4e361588622832bdb0f8a33aa93a847e9dbb16882eab554decd4041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08638",
    "kind": "arxiv",
    "version": 1
  }
}