Pith Number

pith:HZGRP6JI

pith:2008:HZGRP6JIJEFO4S2MDCLIVDDXRV

not attested not anchored not stored refs pending

Do submillimeter galaxies really trace the most massive dark matter halos? Discovery of a high-z cluster in a highly active phase of evolution

A. W. Blain, G. Morrison, Ian Smail, R. Ibata, R. J. Ivison, S. C. Chapman

arxiv:0809.1159 v1 · 2008-09-06 · 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{HZGRP6JIJEFO4S2MDCLIVDDXRV}

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	2026-05-18T02:35:14.953834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e4d17f928490aee4b4c18968a8c778d6a628724ec5b74867e9b64cea5002dc0

Aliases

arxiv: 0809.1159 · arxiv_version: 0809.1159v1 · doi: 10.48550/arxiv.0809.1159 · pith_short_12: HZGRP6JIJEFO · pith_short_16: HZGRP6JIJEFO4S2M · pith_short_8: HZGRP6JI

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/HZGRP6JIJEFO4S2MDCLIVDDXRV \
  | 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: 3e4d17f928490aee4b4c18968a8c778d6a628724ec5b74867e9b64cea5002dc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150354f054cf04e6290ede56b099b7791dc808eb54d4456424b69548f090d6f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-06T11:55:23Z",
    "title_canon_sha256": "de9eda522a381d9a8d5f762533c673e6bccf943fcc05265a8509b7656b52794c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1159",
    "kind": "arxiv",
    "version": 1
  }
}