Pith Number

pith:RQQDYH6C

pith:2016:RQQDYH6CVDKPK3D32C3VBB37IB

not attested not anchored not stored refs pending

The-wiZZ: Clustering redshift estimation for everyone

Ami Choi, Christopher B. Morrison, Hendrik Hildebrandt, Ivan K. Baldry, Maciej Bilicki, Peter Schneider, Samuel J. Schmidt, Thomas Erben

arxiv:1609.09085 v2 · 2016-09-28 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQQDYH6CVDKPK3D32C3VBB37IB}

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	2026-05-18T00:51:05.582714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c203c1fc2a8d4f56c7bd0b750877f40505e10a285b232390496d3d3aed0ddf6

Aliases

arxiv: 1609.09085 · arxiv_version: 1609.09085v2 · doi: 10.48550/arxiv.1609.09085 · pith_short_12: RQQDYH6CVDKP · pith_short_16: RQQDYH6CVDKPK3D3 · pith_short_8: RQQDYH6C

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/RQQDYH6CVDKPK3D32C3VBB37IB \
  | 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: 8c203c1fc2a8d4f56c7bd0b750877f40505e10a285b232390496d3d3aed0ddf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe80b9892200d600d87a250789d99b7314c67eb2342051d38904767e6334cf4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-09-28T20:00:05Z",
    "title_canon_sha256": "baf870a98990a4e938949fd04d5714aa1b691e34e7611b3133bb923b91c04224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09085",
    "kind": "arxiv",
    "version": 2
  }
}