Pith Number

pith:VX4RLAVS

pith:2017:VX4RLAVSC6OQ4JP6SLMXMI277Y

not attested not anchored not stored refs pending

Quasar -- CIV forest cross-correlation with SDSS DR12

Andreu Font-Ribera, James Rich, Jordi Miralda-Escud\'e, Michael Blomqvist, Nicol\'as G. Busca, Satya Gontcho A Gontcho

arxiv:1712.09886 v3 · 2017-12-28 · 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{VX4RLAVSC6OQ4JP6SLMXMI277Y}

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	2026-05-18T00:10:03.297815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adf91582b2179d0e25fe92d976235ffe08fabab9c43a25e7008168b9452526db

Aliases

arxiv: 1712.09886 · arxiv_version: 1712.09886v3 · doi: 10.48550/arxiv.1712.09886 · pith_short_12: VX4RLAVSC6OQ · pith_short_16: VX4RLAVSC6OQ4JP6 · pith_short_8: VX4RLAVS

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/VX4RLAVSC6OQ4JP6SLMXMI277Y \
  | 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: adf91582b2179d0e25fe92d976235ffe08fabab9c43a25e7008168b9452526db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "222bcc6580ab7c10ef725bf1d14dfc4a6879e1190c2921035513026844b53fb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-12-28T15:04:40Z",
    "title_canon_sha256": "029c3946ac44e1e0fb67e7fea146caf3394420748bb701cd53d25572a40dbe2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09886",
    "kind": "arxiv",
    "version": 3
  }
}