Pith Number

pith:UNQUIEEY

pith:2018:UNQUIEEYP6OCB7LNARFSFXC5UQ

not attested not anchored not stored refs pending

Structure of a protobinary system: an asymmetric circumbinary disk and spiral arms

Kazuya Saigo, Shigehisa Takakuwa, Tomoaki Matsumoto

arxiv:1812.01626 v2 · 2018-12-04 · 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{UNQUIEEYP6OCB7LNARFSFXC5UQ}

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	2026-05-17T23:55:18.935164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3614410987f9c20fd6d044b22dc5da401a539bae9cc4bd10a1187094080875b

Aliases

arxiv: 1812.01626 · arxiv_version: 1812.01626v2 · doi: 10.48550/arxiv.1812.01626 · pith_short_12: UNQUIEEYP6OC · pith_short_16: UNQUIEEYP6OCB7LN · pith_short_8: UNQUIEEY

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/UNQUIEEYP6OCB7LNARFSFXC5UQ \
  | 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: a3614410987f9c20fd6d044b22dc5da401a539bae9cc4bd10a1187094080875b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d725f713a3dcf73bd580a4b65e89e63076d7048a6bcca7af30b4d5c419a544fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-04T19:04:40Z",
    "title_canon_sha256": "75da714364795029f0b63a27d7ec5eb78caf63e9e7f930c75b6b81e7ded0a783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01626",
    "kind": "arxiv",
    "version": 2
  }
}