Pith Number

pith:QKZ6JOOA

pith:2007:QKZ6JOOAWVXW6BSSALH5O7XSSA

not attested not anchored not stored refs pending

Searching High Redshift Large-Scale Structures: Photometry of Four Fields Around Quasar Pairs at z~1

C. Mendes de Oliveira, E. S. Cypriano, L. Sodre Jr., M. West, N. V. Boris, W. A. Santos

arxiv:astro-ph/0703562 v2 · 2007-03-21 · 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{QKZ6JOOAWVXW6BSSALH5O7XSSA}

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	2026-05-18T04:29:05.496612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82b3e4b9c0b56f6f065202cfd77ef2902aa37fd192a8e0941854b577cbfe7e6e

Aliases

arxiv: astro-ph/0703562 · arxiv_version: astro-ph/0703562v2 · doi: 10.48550/arxiv.astro-ph/0703562 · pith_short_12: QKZ6JOOAWVXW · pith_short_16: QKZ6JOOAWVXW6BSS · pith_short_8: QKZ6JOOA

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/QKZ6JOOAWVXW6BSSALH5O7XSSA \
  | 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: 82b3e4b9c0b56f6f065202cfd77ef2902aa37fd192a8e0941854b577cbfe7e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13c2caba1dbe4884053d80fc494eff3c5863d2da80d8e1ba455f1090df3117f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-21T15:30:13Z",
    "title_canon_sha256": "3248ab9ae103316a6f838e174ca3e3ee8a3e48c659fe538c2a14eb28cce61385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703562",
    "kind": "arxiv",
    "version": 2
  }
}