Pith Number

pith:3HXCWSQH

pith:2016:3HXCWSQHYSDF3Z3VYLES37LFYY

not attested not anchored not stored refs pending

Protostellar Disk Formation Enabled by Removal of Small Dust Grains

Bo Zhao, Fumitaka Nakamura, Hsien Shang, Paola Caselli, Ruben Krasnopolsky, Zhi-Yun Li

arxiv:1602.02729 v1 · 2016-02-08 · 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{3HXCWSQHYSDF3Z3VYLES37LFYY}

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	2026-05-18T01:12:30.043008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ee2b4a07c4865de775c2c92dfd65c635ea78de73615f927684809fa1659ad3

Aliases

arxiv: 1602.02729 · arxiv_version: 1602.02729v1 · doi: 10.48550/arxiv.1602.02729 · pith_short_12: 3HXCWSQHYSDF · pith_short_16: 3HXCWSQHYSDF3Z3V · pith_short_8: 3HXCWSQH

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/3HXCWSQHYSDF3Z3VYLES37LFYY \
  | 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: d9ee2b4a07c4865de775c2c92dfd65c635ea78de73615f927684809fa1659ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a512dbeb1bb7675d832f4de1051b5698b8aaf391bc729a3cabfac59dec9b8d3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-08T20:29:33Z",
    "title_canon_sha256": "1ae37c89e8c0a5574438de6c98c46e14d76664414242d920dcad9c81d13a3277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02729",
    "kind": "arxiv",
    "version": 1
  }
}