Pith Number

pith:PD2L4IMW

pith:2014:PD2L4IMWJYWNTMEQHZ3P3X4DE2

not attested not anchored not stored refs pending

A First Site of Galaxy Cluster Formation: Complete Spectroscopy of a Protocluster at $z=6.01$

Jun Toshikawa, Kazuaki Ota, Kazuhiro Shimasaku, Masafusa Onoue, Masao Hayashi, Masayuki Tanaka, Nobunari Kashikawa, Roderik Overzier, Shogo Ishikawa, Takatoshi Shibuya, Yuu Niino

arxiv:1407.1851 v1 · 2014-07-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PD2L4IMWJYWNTMEQHZ3P3X4DE2}

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	2026-05-18T01:42:41.168279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f4be21964e2cd9b0903e76fddf83268e65c9adf23e28d6e4a2a8c54747f7eb

Aliases

arxiv: 1407.1851 · arxiv_version: 1407.1851v1 · doi: 10.48550/arxiv.1407.1851 · pith_short_12: PD2L4IMWJYWN · pith_short_16: PD2L4IMWJYWNTMEQ · pith_short_8: PD2L4IMW

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/PD2L4IMWJYWNTMEQHZ3P3X4DE2 \
  | 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: 78f4be21964e2cd9b0903e76fddf83268e65c9adf23e28d6e4a2a8c54747f7eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67784229497975e9fc2b07343e3463c39153cb6540b6e398b13ace933d6a5dc1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-07T20:00:53Z",
    "title_canon_sha256": "747da9f40fe51595c860996a86aca9397fe536ca04a74adfb3307c436aa135d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1851",
    "kind": "arxiv",
    "version": 1
  }
}