Pith Number

pith:F4AH2VGA

pith:2020:F4AH2VGAFZQ4XLAZCRVQYYMVIF

not attested not anchored not stored refs pending

Measuring accretion disk sizes of lensed quasars with microlensing time delay in multi-band light curves

F. Courbin, G. Jauffret, J.H.H. Chan, K. Rojas, M. Millon, V. Bonvin

arxiv:2007.14416 v2 · 2020-07-28 · 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{F4AH2VGAFZQ4XLAZCRVQYYMVIF}

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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	2026-07-05T02:25:21.142242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f007d54c02e61cbac19146b0c6195417521a611643cd7709cc0af2b0d78ce9e

Aliases

arxiv: 2007.14416 · arxiv_version: 2007.14416v2 · doi: 10.48550/arxiv.2007.14416 · pith_short_12: F4AH2VGAFZQ4 · pith_short_16: F4AH2VGAFZQ4XLAZ · pith_short_8: F4AH2VGA

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/F4AH2VGAFZQ4XLAZCRVQYYMVIF \
  | 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: 2f007d54c02e61cbac19146b0c6195417521a611643cd7709cc0af2b0d78ce9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a0ff1c70ae448af13205486f675d7f8c30cb1b6370f2376af8f6e3cfe6acde2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-28T18:05:01Z",
    "title_canon_sha256": "f73dbef0e2410f20d6eb0a2cc71e70f6d68d91c16a54ad0f7fd09e80af830a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14416",
    "kind": "arxiv",
    "version": 2
  }
}