Pith Number

pith:BRBCQGXE

pith:2019:BRBCQGXEZAHH2MMEUSCV7MENJD

not attested not anchored not stored refs pending

A hard look at thermal reverberation and optical/UV lags in NGC 5548

E. S. Kammoun, I. E. Papadakis, M. Dovciak

arxiv:1906.07692 v2 · 2019-06-18 · 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{BRBCQGXEZAHH2MMEUSCV7MENJD}

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	2026-05-17T23:40:30.056547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c42281ae4c80e7d3184a4855fb08d48d4926ff3d01a331e30891d8c7c9e5daa

Aliases

arxiv: 1906.07692 · arxiv_version: 1906.07692v2 · doi: 10.48550/arxiv.1906.07692 · pith_short_12: BRBCQGXEZAHH · pith_short_16: BRBCQGXEZAHH2MME · pith_short_8: BRBCQGXE

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/BRBCQGXEZAHH2MMEUSCV7MENJD \
  | 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: 0c42281ae4c80e7d3184a4855fb08d48d4926ff3d01a331e30891d8c7c9e5daa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f208e40b1630b4eabc0892ddffed935073d5b1ca08c12a5bfb0787feae665a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-18T17:06:01Z",
    "title_canon_sha256": "3e9ca11ff7238be6b3b98ba3bfedfc3b69c05c4cc2794bed3f967dc8aadb78cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07692",
    "kind": "arxiv",
    "version": 2
  }
}