Pith Number

pith:L7HKKFLB

pith:2023:L7HKKFLBY37AIOIF7AHUDFNXUN

not attested not anchored not stored refs pending

The evolution of the UV/optical lag spectrum of NGC 7469 seen by the Liverpool Telescope

E. Cackett, F. M. Vincentelli, I. Mc Hardy, K. Horne, M. Beard, M. Pahari

arxiv:2302.09152 v1 · 2023-02-17 · 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{L7HKKFLBY37AIOIF7AHUDFNXUN}

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	2026-07-05T06:13:10.595785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fcea51561c6fe043905f80f4195b7a34e1034c6af345f4d56ec4b3fe1141d9e

Aliases

arxiv: 2302.09152 · arxiv_version: 2302.09152v1 · doi: 10.48550/arxiv.2302.09152 · pith_short_12: L7HKKFLBY37A · pith_short_16: L7HKKFLBY37AIOIF · pith_short_8: L7HKKFLB

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/L7HKKFLBY37AIOIF7AHUDFNXUN \
  | 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: 5fcea51561c6fe043905f80f4195b7a34e1034c6af345f4d56ec4b3fe1141d9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa8132d4a5e0b0ab8f9a9980f14784fee71a4625d5a28e5c886dff9d2822e24",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-02-17T21:30:22Z",
    "title_canon_sha256": "c8b7448ea52dfa7286f831724428a883656460828cc9d0dcca1edda5a1cbcd77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.09152",
    "kind": "arxiv",
    "version": 1
  }
}