Pith Number

pith:3XSZY2VN

pith:2025:3XSZY2VN6IZ23HN3HPHGGH2TM3

not attested not anchored not stored refs pending

LAMOST Reveals Long-lived Protoplanetary Disks

Miao-Miao Zhang, Min Fang, Wen-Yuan Cui, Xiao-long Wang, Yao Liu

arxiv:2501.04295 v1 · 2025-01-08 · 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{3XSZY2VN6IZ23HN3HPHGGH2TM3}

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	2026-07-05T09:58:32.943431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dde59c6aadf233ad9dbb3bce631f5366e1ab78787ea6ee7a20ab0f2f638bbbdd

Aliases

arxiv: 2501.04295 · arxiv_version: 2501.04295v1 · doi: 10.48550/arxiv.2501.04295 · pith_short_12: 3XSZY2VN6IZ2 · pith_short_16: 3XSZY2VN6IZ23HN3 · pith_short_8: 3XSZY2VN

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/3XSZY2VN6IZ23HN3HPHGGH2TM3 \
  | 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: dde59c6aadf233ad9dbb3bce631f5366e1ab78787ea6ee7a20ab0f2f638bbbdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2905062625050d61ef7b378cd050394fb0df1b6a8dfcb7cb0edc636333e2a833",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-08T05:42:32Z",
    "title_canon_sha256": "11fb2c0cfb4c23f1fc2137e503fc94c516cb38dbfc465ac66b8dc3a7538ab416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.04295",
    "kind": "arxiv",
    "version": 1
  }
}