Pith Number

pith:PQFIPFTB

pith:2019:PQFIPFTB2YQTD747RPYKF7CRZ5

not attested not anchored not stored refs pending

Extracting key information from spectroscopic galaxy surveys

Gong-Bo Zhao, John A. Peacock, Yuting Wang

arxiv:1910.09533 v3 · 2019-10-21 · 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{PQFIPFTB2YQTD747RPYKF7CRZ5}

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	2026-07-05T09:14:24.882561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c0a879661d62131ff9f8bf0a2fc51cf7d606e1e5335722f13f918dc6c943178

Aliases

arxiv: 1910.09533 · arxiv_version: 1910.09533v3 · doi: 10.48550/arxiv.1910.09533 · pith_short_12: PQFIPFTB2YQT · pith_short_16: PQFIPFTB2YQTD747 · pith_short_8: PQFIPFTB

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/PQFIPFTB2YQTD747RPYKF7CRZ5 \
  | 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: 7c0a879661d62131ff9f8bf0a2fc51cf7d606e1e5335722f13f918dc6c943178

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "570e2a4d441968d36b4a8d7cadd7c8bcbf855698475f7e90b9bd28cc478515d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-10-21T17:56:04Z",
    "title_canon_sha256": "1d0b5f15f22e0a0ba37aef7547990c22dd3c3b91f6cf7bf3eaaaee3b4be19c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09533",
    "kind": "arxiv",
    "version": 3
  }
}