Pith Number

pith:RQUQKF2C

pith:2016:RQUQKF2CKVVUAOB2QEWZCEWXCI

not attested not anchored not stored refs pending

The origin of the UV/optical lags in NGC 5548

Chris Done (Durham university), Emma Gardner (Durham University)

arxiv:1603.09564 v3 · 2016-03-31 · 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{RQUQKF2CKVVUAOB2QEWZCEWXCI}

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	2026-05-18T00:33:23.852860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c29051742556b40383a812d9112d7122dda2e102ed123b2cd045d0b93f8bb0a

Aliases

arxiv: 1603.09564 · arxiv_version: 1603.09564v3 · doi: 10.48550/arxiv.1603.09564 · pith_short_12: RQUQKF2CKVVU · pith_short_16: RQUQKF2CKVVUAOB2 · pith_short_8: RQUQKF2C

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/RQUQKF2CKVVUAOB2QEWZCEWXCI \
  | 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: 8c29051742556b40383a812d9112d7122dda2e102ed123b2cd045d0b93f8bb0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d059ec9fb52efaccfe4f261163f3ab13358bfbae7e91b3b77723de6098c02e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-31T12:52:22Z",
    "title_canon_sha256": "5661000d6de450dbb938910f949903fff868f6f32355c6cb0b052c817eb7b7b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09564",
    "kind": "arxiv",
    "version": 3
  }
}