Pith Number

pith:3UQJG4UB

pith:2017:3UQJG4UBKTVHYIYMVGQGEUZX2Q

not attested not anchored not stored refs pending

Radio selection of the most distant galaxy clusters

A. Calabro, C. Ferrari, D. Elbaz, D. Liu, E. Daddi, E. Schinnerer, F. Valentino, I. Delvecchio, J. Delhaize, M. Novak, M.T. Sargent, Q. Gu, R. Coogan, R. Gobat, S. Jin, T. Wang, V. Smolcic, V. Strazzullo

arxiv:1708.06910 v1 · 2017-08-23 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UQJG4UBKTVHYIYMVGQGEUZX2Q}

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	2026-05-18T00:34:46.338799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd2093728154ea7c230ca9a0625337d41ba68eff830d26a76ce6caa635ad4506

Aliases

arxiv: 1708.06910 · arxiv_version: 1708.06910v1 · doi: 10.48550/arxiv.1708.06910 · pith_short_12: 3UQJG4UBKTVH · pith_short_16: 3UQJG4UBKTVHYIYM · pith_short_8: 3UQJG4UB

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/3UQJG4UBKTVHYIYMVGQGEUZX2Q \
  | 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: dd2093728154ea7c230ca9a0625337d41ba68eff830d26a76ce6caa635ad4506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a55eabf0ebacd13fe91afcdea1acd5d24e1b3890d2639727d762b88d4744ef9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-08-23T07:58:32Z",
    "title_canon_sha256": "dd87f3f908fbad38fc243636aa2c32986c652f7ad65511343a326641897a9006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06910",
    "kind": "arxiv",
    "version": 1
  }
}