Pith Number

pith:TWIR32BO

pith:2005:TWIR32BOPHHGFNHEZVUSYZY2A4

not attested not anchored not stored refs pending

Weighing Neutrinos with Galaxy Cluster Surveys

Justin Khoury (MIT), Morgan May (Brookhaven), Sheng Wang (Columbia; Brookhaven), U. Chicago), Wayne Hu (KICP, Zoltan Haiman (Columbia)

arxiv:astro-ph/0505390 v1 · 2005-05-19 · astro-ph · hep-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{TWIR32BOPHHGFNHEZVUSYZY2A4}

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	2026-05-18T04:22:20.690577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d911de82e79ce62b4e4cd692c671a073831fc717ad3213f019efd2adedadef1

Aliases

arxiv: astro-ph/0505390 · arxiv_version: astro-ph/0505390v1 · doi: 10.48550/arxiv.astro-ph/0505390 · pith_short_12: TWIR32BOPHHG · pith_short_16: TWIR32BOPHHGFNHE · pith_short_8: TWIR32BO

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/TWIR32BOPHHGFNHEZVUSYZY2A4 \
  | 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: 9d911de82e79ce62b4e4cd692c671a073831fc717ad3213f019efd2adedadef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a30e934851fb808bc3bc0e5dd5b7c603c9e4d51a6cae57428a172abb70596a35",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-19T17:41:38Z",
    "title_canon_sha256": "b3657338c6981f1aef599449aa1641aca46a41bde94ae6c06b4e42654e291466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505390",
    "kind": "arxiv",
    "version": 1
  }
}