Pith Number

pith:4IZT2YJN

pith:2011:4IZT2YJN7C5T7YGF5PPHVEARDV

not attested not anchored not stored refs pending

Red Star Forming Galaxies and Their Environment at z=0.4 Revealed by Panoramic H-alpha Imaging

Fumiaki Nakata, Kazuhiro Shimasaku, Sadanori Okamura, Tadayuki Kodama, Yusei Koyama

arxiv:1103.2180 v2 · 2011-03-11 · 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{4IZT2YJN7C5T7YGF5PPHVEARDV}

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	2026-05-18T02:02:54.792280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2333d612df8bb3fe0c5ebde7a90111d72d72b1086c07de47a497f5a9a0fa8be

Aliases

arxiv: 1103.2180 · arxiv_version: 1103.2180v2 · doi: 10.48550/arxiv.1103.2180 · pith_short_12: 4IZT2YJN7C5T · pith_short_16: 4IZT2YJN7C5T7YGF · pith_short_8: 4IZT2YJN

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/4IZT2YJN7C5T7YGF5PPHVEARDV \
  | 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: e2333d612df8bb3fe0c5ebde7a90111d72d72b1086c07de47a497f5a9a0fa8be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6dcc58e914b4f18c168a71ea6ed0c219338ce50ec832233dc0dd9bd7673987e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-11T01:26:09Z",
    "title_canon_sha256": "68d6074efa332a835e75ab86d080aef6f81e8978afeaf6b4a04e1b6be8929ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2180",
    "kind": "arxiv",
    "version": 2
  }
}