Pith Number

pith:7QS6JSXO

pith:2022:7QS6JSXOGZA6RGYASFZ7BCVBLH

not attested not anchored not stored refs pending

AT2019azh: an unusually long-lived, radio-bright thermal tidal disruption event

A. J. Goodwin, A. Mummery, A. Wederfoort, C. Bonnerot, E. Hammerstein, J. C. A. Miller-Jones, J. Hoffmann, L. Yan, M. F. Bietenholz, S. van Velzen

arxiv:2201.03744 v1 · 2022-01-11 · 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{7QS6JSXOGZA6RGYASFZ7BCVBLH}

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	2026-07-05T03:59:01.064621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc25e4caee3641e89b009173f08aa159c0b9829d7a14d70a33bbe5547ea55ec2

Aliases

arxiv: 2201.03744 · arxiv_version: 2201.03744v1 · doi: 10.48550/arxiv.2201.03744 · pith_short_12: 7QS6JSXOGZA6 · pith_short_16: 7QS6JSXOGZA6RGYA · pith_short_8: 7QS6JSXO

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/7QS6JSXOGZA6RGYASFZ7BCVBLH \
  | 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: fc25e4caee3641e89b009173f08aa159c0b9829d7a14d70a33bbe5547ea55ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d3fc5a3ccfbb52343a53d685e9fa7dce2960997dea9d506e0205337d31ebd7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-11T02:14:22Z",
    "title_canon_sha256": "4d8f333a423da61d134ba061f6c79d9d5929de89a91a9f6b9f8e68d76fed3b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03744",
    "kind": "arxiv",
    "version": 1
  }
}