Pith Number

pith:PHRZAHRL

pith:2022:PHRZAHRL6BOKO2CFG2WNVSWNK6

not attested not anchored not stored refs pending

The Quasar Candidates Catalogs of DESI Legacy Imaging Survey Data Release 9

Nan Li, Zizhao He

arxiv:2207.06792 v2 · 2022-07-14 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHRZAHRL6BOKO2CFG2WNVSWNK6}

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	2026-07-05T04:57:14.228701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e3901e2bf05ca7684536acdacacd57b697a1f22054f0348bb38c7a8316c8f5

Aliases

arxiv: 2207.06792 · arxiv_version: 2207.06792v2 · doi: 10.48550/arxiv.2207.06792 · pith_short_12: PHRZAHRL6BOK · pith_short_16: PHRZAHRL6BOKO2CF · pith_short_8: PHRZAHRL

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/PHRZAHRL6BOKO2CFG2WNVSWNK6 \
  | 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: 79e3901e2bf05ca7684536acdacacd57b697a1f22054f0348bb38c7a8316c8f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "790ac36e66d07dc417b2d7f8f488049a2fd17ea990e617796b062d9f1b221aee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-07-14T10:09:50Z",
    "title_canon_sha256": "ddc9594033c8b1aac0996cafecdedac1dd0878386079f12068e2a9590491b5db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.06792",
    "kind": "arxiv",
    "version": 2
  }
}