Pith Number

pith:E7O5BUWD

pith:2012:E7O5BUWD7QGMRNJAQLSOY4GVAE

not attested not anchored not stored refs pending

A star-bursting proto-cluster in making associated to a radio galaxy at z=2.53 discovered by H_alpha imaging

Ichi Tanaka, Ken-ichi Tadaki, Masao Hayashi, Tadayuki Kodama, Yusei Koyama

arxiv:1207.2614 v2 · 2012-07-11 · 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{E7O5BUWD7QGMRNJAQLSOY4GVAE}

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	2026-05-18T01:56:25.300372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ddd0d2c3fc0cc8b52082e4ec70d5013c46cdda32f48bfe5df0ab9e128fc2da

Aliases

arxiv: 1207.2614 · arxiv_version: 1207.2614v2 · doi: 10.48550/arxiv.1207.2614 · pith_short_12: E7O5BUWD7QGM · pith_short_16: E7O5BUWD7QGMRNJA · pith_short_8: E7O5BUWD

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/E7O5BUWD7QGMRNJAQLSOY4GVAE \
  | 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: 27ddd0d2c3fc0cc8b52082e4ec70d5013c46cdda32f48bfe5df0ab9e128fc2da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24fe5cfd2982e1b5bd5d3a941032e43acc91046e1de30d306f2b8640280c1b31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-11T12:29:29Z",
    "title_canon_sha256": "f808fc34675159f7b3379ebdebe78257033e452886b115f3e9e497e8d3eb91a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2614",
    "kind": "arxiv",
    "version": 2
  }
}