Pith Number

pith:3L3OU5UZ

pith:2017:3L3OU5UZ2YBBXRUJAOBBT4IG7A

not attested not anchored not stored refs pending

Changing-look AGNs or short-lived radio sources?

Aleksandra Wo{\l}owska, Gregg Hallinan, Kunal Mooley, Magdalena Kunert-Bajraszewska

arxiv:1712.00251 v1 · 2017-12-01 · 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{3L3OU5UZ2YBBXRUJAOBBT4IG7A}

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	2026-05-18T00:29:06.772086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daf6ea7699d6021bc689038219f106f82674651ae63cc62bef19f312586737c0

Aliases

arxiv: 1712.00251 · arxiv_version: 1712.00251v1 · doi: 10.48550/arxiv.1712.00251 · pith_short_12: 3L3OU5UZ2YBB · pith_short_16: 3L3OU5UZ2YBBXRUJ · pith_short_8: 3L3OU5UZ

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/3L3OU5UZ2YBBXRUJAOBBT4IG7A \
  | 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: daf6ea7699d6021bc689038219f106f82674651ae63cc62bef19f312586737c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "933065c68d5212473248a8354b213c51fb05d26b34b71826595c9be7d583910c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-01T09:43:45Z",
    "title_canon_sha256": "5b2ac44e2be8704c2fd7eb6056d768e94753d780e3410eabf9fc60e08a956a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00251",
    "kind": "arxiv",
    "version": 1
  }
}