Pith Number

pith:VYDIJ4DM

pith:2015:VYDIJ4DMHQ3Q66V43LYVXC7T5Y

not attested not anchored not stored refs pending

A massive, distant proto-cluster at z=2.47 caught in a phase of rapid formation?

A. Cooray, C.M. Casey, D.B. Sanders, E. Treister, H. Fu, K. Kovac, N.Z. Scoville, P. Capak, S. Lilly

arxiv:1506.01715 v2 · 2015-06-04 · 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{VYDIJ4DMHQ3Q66V43LYVXC7T5Y}

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	2026-05-18T01:35:47.308291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0684f06c3c370f7abcdaf15b8bf3ee12d39f88d0a8d36e089d92a36123bdf9

Aliases

arxiv: 1506.01715 · arxiv_version: 1506.01715v2 · doi: 10.48550/arxiv.1506.01715 · pith_short_12: VYDIJ4DMHQ3Q · pith_short_16: VYDIJ4DMHQ3Q66V4 · pith_short_8: VYDIJ4DM

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/VYDIJ4DMHQ3Q66V43LYVXC7T5Y \
  | 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: ae0684f06c3c370f7abcdaf15b8bf3ee12d39f88d0a8d36e089d92a36123bdf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05cb5a9cdd1b44fa2d1c7e740c09220df15b1c8dc0e99879c09e1ba7c45560b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-04T20:00:35Z",
    "title_canon_sha256": "9f6b45b34cedcced38272c6da32c81b89f6330af3e4aacb8b9bd57737cedd347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01715",
    "kind": "arxiv",
    "version": 2
  }
}