Pith Number

pith:NA537QYT

pith:2015:NA537QYTH35ORMTGJ2GRMQFI4H

not attested not anchored not stored refs pending

Peering into the Giant Planet Forming Region of the TW Hydrae Disk with the Gemini Planet Imager

Joel H. Kastner, Maxwell A. Millar-Blanchaer, Ruobing Dong, Valerie A. Rapson

arxiv:1512.01865 v1 · 2015-12-07 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NA537QYTH35ORMTGJ2GRMQFI4H}

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	2026-05-18T01:03:30.951102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683bbfc3133efae8b2664e8d1640a8e1ed9e2d56176b419302ba9d361ebe365c

Aliases

arxiv: 1512.01865 · arxiv_version: 1512.01865v1 · doi: 10.48550/arxiv.1512.01865 · pith_short_12: NA537QYTH35O · pith_short_16: NA537QYTH35ORMTG · pith_short_8: NA537QYT

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/NA537QYTH35ORMTGJ2GRMQFI4H \
  | 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: 683bbfc3133efae8b2664e8d1640a8e1ed9e2d56176b419302ba9d361ebe365c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f71957cd00ec8df70053fe1183808bbbf62ea989f6f539114cd2d1194e8732",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-07T00:33:38Z",
    "title_canon_sha256": "4cb9406b9e5ea8532be9fa450c2b4e188b165d6d6e564a91a51737010c55c3d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01865",
    "kind": "arxiv",
    "version": 1
  }
}