Pith Number

pith:4TBSHL7V

pith:2021:4TBSHL7VSBR7DABYE6IZR5RX6O

not attested not anchored not stored refs pending

Continuum reverberation mapping of the quasar PG 2130+099

C. Fian, C. Sobrino Figaredo, D. Chelouche, S. Catalan, S. Kaspi, T. Lewis

arxiv:2111.07385 v1 · 2021-11-14 · 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{4TBSHL7VSBR7DABYE6IZR5RX6O}

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.

Cited by

1 paper in Pith

Physically motivated AGN emissivity profiles and their effects on quasar microlensing signatures. 1. Multi-epoch accretion disc size inference

Receipt and verification

First computed	2026-07-05T04:04:24.404905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c323aff59063f18038279198f637f3ac8d43998c7828d6ea27d9b41bbf76c3

Aliases

arxiv: 2111.07385 · arxiv_version: 2111.07385v1 · doi: 10.48550/arxiv.2111.07385 · pith_short_12: 4TBSHL7VSBR7 · pith_short_16: 4TBSHL7VSBR7DABY · pith_short_8: 4TBSHL7V

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/4TBSHL7VSBR7DABYE6IZR5RX6O \
  | 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: e4c323aff59063f18038279198f637f3ac8d43998c7828d6ea27d9b41bbf76c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa7071cbe0c6b8b51df8a04e7cacea0a687d104c7d38505f30aab2198116e14e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-14T16:48:21Z",
    "title_canon_sha256": "10b8f845a99406eb69dcde7901dde682ea13064bd43f49505cb9b11296a6ca34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07385",
    "kind": "arxiv",
    "version": 1
  }
}