Pith Number

pith:JJPUW6WJ

pith:2008:JJPUW6WJPBKL4LITECGZCP4V2H

not attested not anchored not stored refs pending

Dark Matter in the Galaxy Cluster CL J1226+3332 at Z=0.89

J.A. Tyson, M.J. Jee

arxiv:0810.0709 v1 · 2008-10-03 · 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{JJPUW6WJPBKL4LITECGZCP4V2H}

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	2026-05-18T04:29:26.291073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a5f4b7ac97854be2d13208d913f95d1da8082308dba9fed79ebcaf80f5fcf82

Aliases

arxiv: 0810.0709 · arxiv_version: 0810.0709v1 · doi: 10.48550/arxiv.0810.0709 · pith_short_12: JJPUW6WJPBKL · pith_short_16: JJPUW6WJPBKL4LIT · pith_short_8: JJPUW6WJ

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/JJPUW6WJPBKL4LITECGZCP4V2H \
  | 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: 4a5f4b7ac97854be2d13208d913f95d1da8082308dba9fed79ebcaf80f5fcf82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47adfad12c6b4d25d23b61889342061a91e5a5b2d6fe2fc15c19b880b2920526",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-03T20:00:49Z",
    "title_canon_sha256": "589b686425f2268fb65e356da2179342637cb671fbdc5794a04c9250c305edc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0709",
    "kind": "arxiv",
    "version": 1
  }
}