Pith Number

pith:DGXRBGRB

pith:1995:DGXRBGRBCFIDVMY7AVVOWV4YZP

not attested not anchored not stored refs pending

The Serendipitous Discovery of a Group or Cluster of young Galaxies at z=2.40 in Deep Hubble Space Telescope WFPC2 Images

Eric J. Ostrander (ASU), Rogier A. Windhorst (ASU), Sebastian M. Pascarelle (ASU), Simon P. Driver (ASU), William C. Keel (UoAl)

arxiv:astro-ph/9512033 v1 · 1995-12-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DGXRBGRBCFIDVMY7AVVOWV4YZP}

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.

Cited by

1 paper in Pith

On the later evolution of observationally selected protocluster candidates at $z\,{\gtrsim}\,5$

Receipt and verification

First computed	2026-05-18T01:07:41.234354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19af109a2111503ab31f056aeb5798cbd57388084c6e6021d864d3bb317d9010

Aliases

arxiv: astro-ph/9512033 · arxiv_version: astro-ph/9512033v1 · doi: 10.48550/arxiv.astro-ph/9512033 · pith_short_12: DGXRBGRBCFID · pith_short_16: DGXRBGRBCFIDVMY7 · pith_short_8: DGXRBGRB

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/DGXRBGRBCFIDVMY7AVVOWV4YZP \
  | 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: 19af109a2111503ab31f056aeb5798cbd57388084c6e6021d864d3bb317d9010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "485cb5463e2b590d9073ed55d6a675b7df229b023f63393bf1bc2c6071798cea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-12-07T01:28:41Z",
    "title_canon_sha256": "aeab9fd4844bb8c4e8539cd2ef76119f23b9fb92ab8ef96a5a856bfb817a4d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9512033",
    "kind": "arxiv",
    "version": 1
  }
}