Pith Number

pith:3XF5ZYWY

pith:2016:3XF5ZYWYE2BVAROWASMUTLWZZ3

not attested not anchored not stored refs pending

Spectral Clustering for Optical Confirmation and Redshift Estimation of X-ray Selected Galaxy Cluster Candidates in the SDSS Stripe 82

Ali Takey, Amin Shoukry, Eman Mahmoud

arxiv:1607.04193 v1 · 2016-07-10 · astro-ph.GA · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XF5ZYWYE2BVAROWASMUTLWZZ3}

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	2026-05-18T01:11:03.932855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddcbdce2d826835045d6049949aed9cee4bf7e632852c677f6b218d39b9c12b5

Aliases

arxiv: 1607.04193 · arxiv_version: 1607.04193v1 · doi: 10.48550/arxiv.1607.04193 · pith_short_12: 3XF5ZYWYE2BV · pith_short_16: 3XF5ZYWYE2BVAROW · pith_short_8: 3XF5ZYWY

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/3XF5ZYWYE2BVAROWASMUTLWZZ3 \
  | 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: ddcbdce2d826835045d6049949aed9cee4bf7e632852c677f6b218d39b9c12b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9affd4bf4ca152d2731dacaa16f50ccc1a22fb0e392295a2786c2d13ff9e578",
    "cross_cats_sorted": [
      "cs.OH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-10T09:18:58Z",
    "title_canon_sha256": "094a60f5856fac8882c6e5f856e14db16aa66ee2131324e80f0ecf52f6f9a8f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04193",
    "kind": "arxiv",
    "version": 1
  }
}