Pith Number

pith:6K5SIARZ

pith:2008:6K5SIARZNG4DZWDWTOBK6KQ4NT

not attested not anchored not stored refs pending

Resolving the discrepancy between lensing and X-ray mass estimates of the complex galaxy cluster Abell 1689

2), (2) Laboratoire d'Astrophysique de Toulouse-Tarbes, (3) University of Oslo), Copenhagen, Danka Paraficz (1), Desiree Della Monica Ferreira (1), Haakon Dahle (3) ((1) Dark Cosmology Centre, Kristian Pedersen (1), Marceau Limousin (1, Signe Riemer-Sorensen (1)

arxiv:0811.2793 v1 · 2008-11-18 · 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{6K5SIARZNG4DZWDWTOBK6KQ4NT}

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	2026-05-18T04:29:25.012471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2bb24023969b83cd8769b82af2a1c6ccccbd1f2240dbc7ff9eceb7a2d02c5c6

Aliases

arxiv: 0811.2793 · arxiv_version: 0811.2793v1 · doi: 10.48550/arxiv.0811.2793 · pith_short_12: 6K5SIARZNG4D · pith_short_16: 6K5SIARZNG4DZWDW · pith_short_8: 6K5SIARZ

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/6K5SIARZNG4DZWDWTOBK6KQ4NT \
  | 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: f2bb24023969b83cd8769b82af2a1c6ccccbd1f2240dbc7ff9eceb7a2d02c5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "043d95db84df0028bf4ace211527b66a28918d51c2966b7396f4b26d23254b80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-18T10:39:24Z",
    "title_canon_sha256": "82b0b4c2837c6ed449d912b4cde2ec2e58126fec48192db886a15da96f520dd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2793",
    "kind": "arxiv",
    "version": 1
  }
}