Pith Number

pith:DKYV3LCX

pith:2020:DKYV3LCXXAQBY22BKX4QFR5UGE

not attested not anchored not stored refs pending

A versatile tool for cluster lensing source reconstruction. I. methodology and illustration on sources in the Hubble Frontier Field Cluster MACS J0717.5+3745

Lilan Yang, Simon Birrer, Tommaso Treu

arxiv:2001.07719 v2 · 2020-01-21 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKYV3LCXXAQBY22BKX4QFR5UGE}

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	2026-07-05T01:54:42.455983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab15dac57b8201c6b4155f902c7b4311e7d11becc36fe8d29585c5344ded2be

Aliases

arxiv: 2001.07719 · arxiv_version: 2001.07719v2 · doi: 10.48550/arxiv.2001.07719 · pith_short_12: DKYV3LCXXAQB · pith_short_16: DKYV3LCXXAQBY22B · pith_short_8: DKYV3LCX

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/DKYV3LCXXAQBY22BKX4QFR5UGE \
  | 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: 1ab15dac57b8201c6b4155f902c7b4311e7d11becc36fe8d29585c5344ded2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8daec0a9a941909edad1a11aa96e2b761677d577d0c9220ff7a05f8db886319d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-21T19:00:02Z",
    "title_canon_sha256": "23bc156c003c2bf7f7aaa04f05eba779c359f712ce3d9b1e9d6335f1a9cec33b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07719",
    "kind": "arxiv",
    "version": 2
  }
}