Pith Number

pith:KP44GEDF

pith:2024:KP44GEDFDD4Q2A4AWCNPJUK7HM

not attested not anchored not stored refs pending

Detection of Dimethyl Ether in the Central Region of the MWC 480 Protoplanetary Disk

Charles J. Law, Chunhua Qi, Gianni Cataldi, Jane Huang, Karin I. \"Oberg, Kenji Furuya, Richard Teague, Romane Le Gal, Shota Notsu, Viviana V. Guzm\'an, Yoshihide Yamato, Yuri Aikawa

arxiv:2407.21518 v1 · 2024-07-31 · astro-ph.EP · 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{KP44GEDFDD4Q2A4AWCNPJUK7HM}

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	2026-07-05T08:50:40.180197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f9c3106518f90d0380b09af4d15f3b204d981fd60e945ac4c4b756b3838cbd

Aliases

arxiv: 2407.21518 · arxiv_version: 2407.21518v1 · doi: 10.48550/arxiv.2407.21518 · pith_short_12: KP44GEDFDD4Q · pith_short_16: KP44GEDFDD4Q2A4A · pith_short_8: KP44GEDF

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/KP44GEDFDD4Q2A4AWCNPJUK7HM \
  | 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: 53f9c3106518f90d0380b09af4d15f3b204d981fd60e945ac4c4b756b3838cbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d8a89131bdbf942f88eca5b48391fc35d9fd9808bb7acbec372c1ca011358b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-07-31T10:39:26Z",
    "title_canon_sha256": "528237e32cfe15eccc73dfd115dfe3c6c34c5122c6715e8244ce65980ae6237c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.21518",
    "kind": "arxiv",
    "version": 1
  }
}