Pith Number

pith:RYNQL34B

pith:2015:RYNQL34BCATROJOBTFXYX35CPG

not attested not anchored not stored refs pending

Calibration of the optical mass proxy for clusters of galaxies and an update of the WHL12 cluster catalog

J. L. Han, Z. L. Wen

arxiv:1506.04503 v2 · 2015-06-15 · astro-ph.GA · 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{RYNQL34BCATROJOBTFXYX35CPG}

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	2026-05-18T01:36:43.033298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1b05ef8110271725c1996f8befa27990340c958556e67fa29e9d5489b90639

Aliases

arxiv: 1506.04503 · arxiv_version: 1506.04503v2 · doi: 10.48550/arxiv.1506.04503 · pith_short_12: RYNQL34BCATR · pith_short_16: RYNQL34BCATROJOB · pith_short_8: RYNQL34B

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/RYNQL34BCATROJOBTFXYX35CPG \
  | 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: 8e1b05ef8110271725c1996f8befa27990340c958556e67fa29e9d5489b90639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20507d9c161a7e4610143ea1af19d4669b4b8a3ebd1dbc7a73195fa9379bb9bc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-15T08:01:37Z",
    "title_canon_sha256": "39e057dd9d068101fbbfb8621fd6096d2ddef6a3ec59bfbecd65d95ed0956390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04503",
    "kind": "arxiv",
    "version": 2
  }
}