Pith Number

pith:WKMZNAK4

pith:2017:WKMZNAK44JPXG5MHIMCMYCHBUR

not attested not anchored not stored refs pending

Crowded Field Galaxy Photometry: Precision Colors in the CLASH Clusters

Anton M. Koekemoer, Dan Coe, Daniel D. Kelson, G. Mark Voit, John Moustakas, Keiichi Umetsu, Larry D. Bradley, Marc Postman, Megan Donahue, Peter Melchior, Thomas Connor

arxiv:1709.01925 v2 · 2017-09-06 · astro-ph.GA · astro-ph.CO · 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{WKMZNAK44JPXG5MHIMCMYCHBUR}

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	2026-05-18T00:31:30.787627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b29996815ce25f7375874304cc08e1a447ea05914ea5a9d5c08f62d39199e2d1

Aliases

arxiv: 1709.01925 · arxiv_version: 1709.01925v2 · doi: 10.48550/arxiv.1709.01925 · pith_short_12: WKMZNAK44JPX · pith_short_16: WKMZNAK44JPXG5MH · pith_short_8: WKMZNAK4

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/WKMZNAK44JPXG5MHIMCMYCHBUR \
  | 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: b29996815ce25f7375874304cc08e1a447ea05914ea5a9d5c08f62d39199e2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34ee7bae5a119ba18cbb3b7f588f26cc435155abe19227f866ca07fe8b080fd4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-06T18:00:00Z",
    "title_canon_sha256": "0aeac72724309cbdf9a20856afcb78dccebe424ba5a69344ad844bc9fd4abe51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01925",
    "kind": "arxiv",
    "version": 2
  }
}