Pith Number

pith:LKEHIRIF

pith:2018:LKEHIRIFMGG76ZEFPIOYFUFVII

not attested not anchored not stored refs pending

The Eccentric Cavity, Triple Rings, Two-Armed Spirals, and Double Clumps of the MWC 758 Disk

David Wilner, Eiji Akiyama, Eugene Chiang, Hauyu Baobab Liu, Jeffrey Fung, John Wisniewski, Josh Eisner, Jun Hashimoto, Motohide Tamura, Ruobing Dong, Sean Andrews, Sheng-Yuan Liu, Simon Casassus, Takayuki Muto, Thomas Esposito, Yaroslav Pavlyuchenkov, Yasuhiro Hasegawa, Zhaohuan Zhu

arxiv:1805.12141 v1 · 2018-05-30 · astro-ph.SR · astro-ph.EP · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:11:48.956333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a88744505618dff64857a1d82d0b5420c068daaf6c31b1f58ad8a963d1b5300

Aliases

arxiv: 1805.12141 · arxiv_version: 1805.12141v1 · doi: 10.48550/arxiv.1805.12141 · pith_short_12: LKEHIRIFMGG7 · pith_short_16: LKEHIRIFMGG76ZEF · pith_short_8: LKEHIRIF

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/LKEHIRIFMGG76ZEFPIOYFUFVII \
  | 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: 5a88744505618dff64857a1d82d0b5420c068daaf6c31b1f58ad8a963d1b5300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad968d5a4d98e99aff1b886aa48d48c36a71896b233b55d21ef73089c052f80",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-30T18:00:02Z",
    "title_canon_sha256": "d0cddcc9c782ba8574b035d7302c32f98c10f1a0eb1404ab2499cbc4878739a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12141",
    "kind": "arxiv",
    "version": 1
  }
}