Pith Number

pith:QZBNBURP

pith:2005:QZBNBURPQ34KAKEYYT3P5ZWEQA

not attested not anchored not stored refs pending

A large population of galaxies 9 to 12 billion years back in the history of the Universe

G. Zamorani, H. J. McCracken, O. Ilbert, O. Le Fevre, S. Arnouts, S. Charlot, S. Foucaud, S. Paltani, the VIMOS VLT Deep Survey team

arxiv:astro-ph/0509628 v1 · 2005-09-21 · 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{QZBNBURPQ34KAKEYYT3P5ZWEQA}

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	2026-05-18T01:07:30.554742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8642d0d22f86f8a02898c4f6fee6c4802f0b0b0da3eb8c28f4d6968b9646b7df

Aliases

arxiv: astro-ph/0509628 · arxiv_version: astro-ph/0509628v1 · doi: 10.48550/arxiv.astro-ph/0509628 · pith_short_12: QZBNBURPQ34K · pith_short_16: QZBNBURPQ34KAKEY · pith_short_8: QZBNBURP

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/QZBNBURPQ34KAKEYYT3P5ZWEQA \
  | 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: 8642d0d22f86f8a02898c4f6fee6c4802f0b0b0da3eb8c28f4d6968b9646b7df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30e27bf35e183a55ad6802ba242e46ac7210752aa5d1413149df2b585d4316d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-21T12:48:34Z",
    "title_canon_sha256": "f365709aeb01ba006f58fd2ef3227b066f4b1cfd44408ca32f302f73aa072acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509628",
    "kind": "arxiv",
    "version": 1
  }
}