Pith Number

pith:7YXHJJNA

pith:2012:7YXHJJNAR7VBVHUEAVM5DS7ZS5

not attested not anchored not stored refs pending

A Keplerian Circumbinary Disk around the Protobinary System L1551 NE

Jeremy Lim, Kazuya Saigo, Masao Saito, Nimesh A. Patel, Shigehisa Takakuwa, T. K. Sridharan

arxiv:1205.3854 v1 · 2012-05-17 · 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{7YXHJJNAR7VBVHUEAVM5DS7ZS5}

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	2026-05-18T01:57:26.184246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe2e74a5a08fea1a9e840559d1cbf99767e0065ef8443515226c024df7128634

Aliases

arxiv: 1205.3854 · arxiv_version: 1205.3854v1 · doi: 10.48550/arxiv.1205.3854 · pith_short_12: 7YXHJJNAR7VB · pith_short_16: 7YXHJJNAR7VBVHUE · pith_short_8: 7YXHJJNA

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/7YXHJJNAR7VBVHUEAVM5DS7ZS5 \
  | 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: fe2e74a5a08fea1a9e840559d1cbf99767e0065ef8443515226c024df7128634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7fb7b4d84383615b3459859de1ec136f2ced0c9b36c8c01d88a5b95d786798d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-17T05:48:04Z",
    "title_canon_sha256": "690ce121874912480efb6c8a7a7b8917aa8f890ce26c5e5850a54c89d1aca9fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3854",
    "kind": "arxiv",
    "version": 1
  }
}