Pith Number

pith:QKGBAYVW

pith:2015:QKGBAYVWXSORUD6LDB2YRNVX2P

not attested not anchored not stored refs pending

No Keplerian Disk >10 AU around the Protostar B335: Magnetic Braking or Young Age?

Hsi-Wei Yen, Nagayoshi Ohashi, Patrick M. Koch, Ruben Krasnopolsky, Shigehisa Takakuwa, Shin Koyamatsu, Yusuke Aso

arxiv:1509.04675 v1 · 2015-09-15 · 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{QKGBAYVWXSORUD6LDB2YRNVX2P}

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	2026-05-18T01:29:44.656910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828c1062b6bc9d1a0fcb187588b6b7d3eb62a6a8fd69f441d0cc952addfa45b8

Aliases

arxiv: 1509.04675 · arxiv_version: 1509.04675v1 · doi: 10.48550/arxiv.1509.04675 · pith_short_12: QKGBAYVWXSOR · pith_short_16: QKGBAYVWXSORUD6L · pith_short_8: QKGBAYVW

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/QKGBAYVWXSORUD6LDB2YRNVX2P \
  | 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: 828c1062b6bc9d1a0fcb187588b6b7d3eb62a6a8fd69f441d0cc952addfa45b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e49c6db3ec0e7bd5b108b32aaaee86e333ce37301f967d90e0e858ea4913d80",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-15T18:50:24Z",
    "title_canon_sha256": "437744731877519cfe220061c55a4c6ad40a4f5faaba8f91ff30b06eedb74c49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04675",
    "kind": "arxiv",
    "version": 1
  }
}