Pith Number

pith:Y2G4QIIC

pith:2017:Y2G4QIICEHGORV3DXGI5FYNR2A

not attested not anchored not stored refs pending

First Detection of Equatorial Dark Dust Lane in a Protostellar Disk at Submillimeter Wavelength

Chin-Fei Lee, Hsien Shang, Naomi Hirano, Paul. T.P Ho, Qizhou Zhang, Zhi-Yun Li

arxiv:1704.08962 v1 · 2017-04-28 · 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{Y2G4QIICEHGORV3DXGI5FYNR2A}

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	2026-05-18T00:45:24.792940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c68dc8210221cce8d763b991d2e1b1d016b7b42cf8d0174dbcd8b86b3d08f3b0

Aliases

arxiv: 1704.08962 · arxiv_version: 1704.08962v1 · doi: 10.48550/arxiv.1704.08962 · pith_short_12: Y2G4QIICEHGO · pith_short_16: Y2G4QIICEHGORV3D · pith_short_8: Y2G4QIIC

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/Y2G4QIICEHGORV3DXGI5FYNR2A \
  | 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: c68dc8210221cce8d763b991d2e1b1d016b7b42cf8d0174dbcd8b86b3d08f3b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f1dcbb0979461979390bd547176d5ec64e5fde70274ba7e20a975fd2b01dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-28T14:48:41Z",
    "title_canon_sha256": "1731801d4d84e8d8980ede6ff0e1bcdbdab76e495c427805a2c8385afd52030a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08962",
    "kind": "arxiv",
    "version": 1
  }
}