Pith Number

pith:KY5F5FLQ

pith:2017:KY5F5FLQX7Q4ZHXUWM4MUZK2BU

not attested not anchored not stored refs pending

Lensing substructure quantification in RXJ1131-1231: A 2 keV lower bound on dark matter thermal relic mass

Adam Amara, Alexandre Refregier, Simon Birrer

arxiv:1702.00009 v3 · 2017-01-31 · astro-ph.CO · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KY5F5FLQX7Q4ZHXUWM4MUZK2BU}

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	2026-05-18T00:44:15.606851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

563a5e9570bfe1cc9ef4b338ca655a0d39ffebedfbd8f09fd75f880d668e93af

Aliases

arxiv: 1702.00009 · arxiv_version: 1702.00009v3 · doi: 10.48550/arxiv.1702.00009 · pith_short_12: KY5F5FLQX7Q4 · pith_short_16: KY5F5FLQX7Q4ZHXU · pith_short_8: KY5F5FLQ

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/KY5F5FLQX7Q4ZHXUWM4MUZK2BU \
  | 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: 563a5e9570bfe1cc9ef4b338ca655a0d39ffebedfbd8f09fd75f880d668e93af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efcdc947735f77438b5062eaf4ddc9067befc08da070b8d1f8dc116e0dd32fb0",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-01-31T19:00:00Z",
    "title_canon_sha256": "af6af4c5e6d5c48e80acd4cb5c6a7dfb7ae337987cd17175365aac1aed8d0daa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00009",
    "kind": "arxiv",
    "version": 3
  }
}