Pith Number

pith:JHOP4MRN

pith:2009:JHOP4MRN6B4UJJSJAAUGLXJS2V

not attested not anchored not stored refs pending

Panoramic H-alpha and mid-infrared mapping of star formation in a z=0.8 cluster

Chihiro Tokoku, Ichi Tanaka, Kazuhiro Shimasaku, Masao Hayashi, Sadanori Okamura, Tadayuki Kodama, Yusei Koyama

arxiv:0912.2786 v2 · 2009-12-15 · 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{JHOP4MRN6B4UJJSJAAUGLXJS2V}

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	2026-05-18T02:10:23.648622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49dcfe322df07944a649002865dd32d5591a7b052dee6dbe4d3d209b7964d4f7

Aliases

arxiv: 0912.2786 · arxiv_version: 0912.2786v2 · doi: 10.48550/arxiv.0912.2786 · pith_short_12: JHOP4MRN6B4U · pith_short_16: JHOP4MRN6B4UJJSJ · pith_short_8: JHOP4MRN

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/JHOP4MRN6B4UJJSJAAUGLXJS2V \
  | 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: 49dcfe322df07944a649002865dd32d5591a7b052dee6dbe4d3d209b7964d4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be959e46e895d6f4a51a9c82d2ede82a4cda9f43989e34b00350e2e867260db1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-15T04:26:35Z",
    "title_canon_sha256": "7fa145d3bb826e02433290d7f1ead17afbb39fe95cf2d038838e39dceb35c14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2786",
    "kind": "arxiv",
    "version": 2
  }
}