Pith Number

pith:PMDCTFTS

pith:2018:PMDCTFTSESI6O3BCNMBNJG6BTJ

not attested not anchored not stored refs pending

Fast Generation of Covariance Matrices for Weak Lensing

Adam Amara, Alexandre R\'efr\'egier, Andrina Nicola (ETH Zurich), Raphael Sgier

arxiv:1801.05745 v1 · 2018-01-17 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMDCTFTSESI6O3BCNMBNJG6BTJ}

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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

Machine-learning applications for weak-lensing cosmology

Receipt and verification

First computed	2026-05-17T23:55:15.162834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b062996722491e76c226b02d49bc19a5bda119baae71d194835823d554157a4

Aliases

arxiv: 1801.05745 · arxiv_version: 1801.05745v1 · doi: 10.48550/arxiv.1801.05745 · pith_short_12: PMDCTFTSESI6 · pith_short_16: PMDCTFTSESI6O3BC · pith_short_8: PMDCTFTS

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/PMDCTFTSESI6O3BCNMBNJG6BTJ \
  | 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: 7b062996722491e76c226b02d49bc19a5bda119baae71d194835823d554157a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9c3ebf565a5f9b459a276617d4ce2a601a0cdad8c1c4b0d8887f890f9d95b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-17T16:49:03Z",
    "title_canon_sha256": "56e210e306857ba484ea911eaed09ee92f2f91d8a4714e98d40ea128847be2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05745",
    "kind": "arxiv",
    "version": 1
  }
}