Pith Number

pith:C3O5CRQ4

pith:2016:C3O5CRQ4DQENBNCXEUPFBTWDDS

not attested not anchored not stored refs pending

SHARP - II. Mass structure in strong lenses is not necessarily dark matter substructure: A flux ratio anomaly from an edge-on disc

(2) Max Planck Institute for Astrophysics, (3) Netherlands Institute for Radio Astornomy, 4), (4) Kapteyn Astronomical Institute, (5) Institute of Astronomy, (6) Universit\'e Lyon, C. D. Fassnacht (1), CRAL, C. Spingola (4), Davis, D. J. Lagattuta (6) ((1) Department of Physics, Garching, Germany, J. P. McKean (3, J.- W. Hsueh (1), L. V. E. Koopmans (4), M. W. Auger (5), Observatoire de Lyon), S. Vegetti (2), University of California, University of Cambridge, University of Groningen

arxiv:1601.01671 v2 · 2016-01-06 · astro-ph.CO · 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{C3O5CRQ4DQENBNCXEUPFBTWDDS}

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	2026-05-18T01:06:20.989742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16ddd1461c1c08d0b457251e50cec31c8ecb51a9bd89c3aa7a33c64d17169923

Aliases

arxiv: 1601.01671 · arxiv_version: 1601.01671v2 · doi: 10.48550/arxiv.1601.01671 · pith_short_12: C3O5CRQ4DQEN · pith_short_16: C3O5CRQ4DQENBNCX · pith_short_8: C3O5CRQ4

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/C3O5CRQ4DQENBNCXEUPFBTWDDS \
  | 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: 16ddd1461c1c08d0b457251e50cec31c8ecb51a9bd89c3aa7a33c64d17169923

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94aef69dd3d978b2eb02ccc7ecff7fed4c48409bcf64e6084d48fc3e3c4f66ad",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-01-06T21:00:02Z",
    "title_canon_sha256": "3c35da7a7926922bd695c6470f4219aea4a4df0bd4fd9f6e7b7b2e62addbeb0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01671",
    "kind": "arxiv",
    "version": 2
  }
}