Pith Number

pith:H4L3AFQZ

pith:2016:H4L3AFQZ6KJDJXADSRLP4SF3JL

not attested not anchored not stored refs pending

Protoplanetary and Transitional Disks in the Open Stellar Cluster IC 2395

Andras Gaspar, Cameron P. M. Bell, E. T. Young, G. H. Rieke, James Muzerolle, J. Vinko, K. Y. L. Su, L. L. Kiss, Nick Siegler, R. A. Gutermuth, Zoltan Balog

arxiv:1609.05798 v1 · 2016-09-19 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4L3AFQZ6KJDJXADSRLP4SF3JL}

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	2026-05-18T00:55:41.428197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f17b01619f29234dc039456fe48bb4af1c5da73c9d454f44c9db310c09c9b93

Aliases

arxiv: 1609.05798 · arxiv_version: 1609.05798v1 · doi: 10.48550/arxiv.1609.05798 · pith_short_12: H4L3AFQZ6KJD · pith_short_16: H4L3AFQZ6KJDJXAD · pith_short_8: H4L3AFQZ

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/H4L3AFQZ6KJDJXADSRLP4SF3JL \
  | 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: 3f17b01619f29234dc039456fe48bb4af1c5da73c9d454f44c9db310c09c9b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f7938bb9aa9d83258dd720e9f0ea3b0713c2b398349bdc9d0758539002c8e7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-19T15:51:00Z",
    "title_canon_sha256": "90c0569539b7f899e1ee794a7dd574e381070a1c70f58c6b08f228766c092ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05798",
    "kind": "arxiv",
    "version": 1
  }
}