Pith Number

pith:AH2CPE6H

pith:2007:AH2CPE6HQJGQ244K7KG3RNAAAZ

not attested not anchored not stored refs pending

Subaru Weak Lensing Study of Seven Merging Clusters: Distributions of Mass and Baryons

(2) ASIAA), Keiichi Umetsu (2) ((1) Tohoku Univ., Nobuhiro Okabe (1)

arxiv:astro-ph/0702649 v4 · 2007-02-23 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AH2CPE6HQJGQ244K7KG3RNAAAZ}

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	2026-05-18T01:40:26.956887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f42793c7824d0d738afa8db8b40006592928de6b6c79d39bca0e2f3c4b6cdf

Aliases

arxiv: astro-ph/0702649 · arxiv_version: astro-ph/0702649v4 · doi: 10.48550/arxiv.astro-ph/0702649 · pith_short_12: AH2CPE6HQJGQ · pith_short_16: AH2CPE6HQJGQ244K · pith_short_8: AH2CPE6H

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/AH2CPE6HQJGQ244K7KG3RNAAAZ \
  | 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: 01f42793c7824d0d738afa8db8b40006592928de6b6c79d39bca0e2f3c4b6cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67bec264457c46ffb443eefdec7aae7bc52c61da9d57756f9b719ef9466a920e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-23T23:34:41Z",
    "title_canon_sha256": "521fdf98ff64ff9be28fe2d9e61a69d2d37cea8f92864e1d4916946b7e39ef7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702649",
    "kind": "arxiv",
    "version": 4
  }
}