Pith Number

pith:4YMA4Y2Y

pith:2011:4YMA4Y2YQ7YPM3TDLCZ4GXGVZ3

not attested not anchored not stored refs pending

Near- And Mid-Infrared Imaging Study of Young Stellar Objects around LkH$\alpha$ 234

Eri Kato, Hiroshi Shibai, Marshall D. Perrin, Misato Fukagawa, Takafumi Ootsubo, Yusuke Itoh

arxiv:1106.0841 v1 · 2011-06-04 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YMA4Y2YQ7YPM3TDLCZ4GXGVZ3}

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	2026-05-18T02:01:42.083185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6180e635887f0f66e6358b3c35cd5ced2934e0cdd7bd4172c65d97c79db8317

Aliases

arxiv: 1106.0841 · arxiv_version: 1106.0841v1 · doi: 10.48550/arxiv.1106.0841 · pith_short_12: 4YMA4Y2YQ7YP · pith_short_16: 4YMA4Y2YQ7YPM3TD · pith_short_8: 4YMA4Y2Y

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/4YMA4Y2YQ7YPM3TDLCZ4GXGVZ3 \
  | 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: e6180e635887f0f66e6358b3c35cd5ced2934e0cdd7bd4172c65d97c79db8317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e64bf648a4540e7fd5c523adafc158530ff7260135217896795c89f636db93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-04T17:38:21Z",
    "title_canon_sha256": "cbade945a9e97c81247a3b7ee02a3f0489d7b0b8bd2e79394ea9de4982bb5a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0841",
    "kind": "arxiv",
    "version": 1
  }
}