Pith Number

pith:YCX4G35Y

pith:2011:YCX4G35YKIOUXMCIK7EFBRZW3R

not attested not anchored not stored refs pending

Structure of Protocluster Galaxies: Accelerated Structural Evolution in Overdense Environments?

A.W. Zirm, M. Tanaka, S. Toft

arxiv:1110.0327 v1 · 2011-10-03 · 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{YCX4G35YKIOUXMCIK7EFBRZW3R}

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	2026-05-18T02:00:18.774748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0afc36fb8521d4bb04857c850c736dc79a8f53100959e480aba4182a3a45220

Aliases

arxiv: 1110.0327 · arxiv_version: 1110.0327v1 · doi: 10.48550/arxiv.1110.0327 · pith_short_12: YCX4G35YKIOU · pith_short_16: YCX4G35YKIOUXMCI · pith_short_8: YCX4G35Y

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/YCX4G35YKIOUXMCIK7EFBRZW3R \
  | 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: c0afc36fb8521d4bb04857c850c736dc79a8f53100959e480aba4182a3a45220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91daedeed3c2edaf836942c0f4319e4708f88a042b7d2bd8b9a0adc8d5ba2191",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-03T11:49:44Z",
    "title_canon_sha256": "4f866a66e9bcde4d63253f109afa8d212f7a59733b251b232d1a7468b3d31213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0327",
    "kind": "arxiv",
    "version": 1
  }
}