Pith Number

pith:P7KMIJS5

pith:2017:P7KMIJS5CPZ3CY5WWTMB2P7OKD

not attested not anchored not stored refs pending

The complex morphology of the young disk MWC 758: Spirals and dust clumps around a large cavity

A. Isella, Bo-Ting Shen, C. Grady, E. Weaver, J. Carpenter, L. Perez, L. Ricci, M. Benisty, Ya-Wen Tang, Y. Boehler

arxiv:1712.08845 v3 · 2017-12-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7KMIJS5CPZ3CY5WWTMB2P7OKD}

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	2026-05-18T00:23:44.995120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd4c4265d13f3b163b6b4d81d3fee50e8e1ab8feb8356f5b081a2444feb53d0

Aliases

arxiv: 1712.08845 · arxiv_version: 1712.08845v3 · doi: 10.48550/arxiv.1712.08845 · pith_short_12: P7KMIJS5CPZ3 · pith_short_16: P7KMIJS5CPZ3CY5W · pith_short_8: P7KMIJS5

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/P7KMIJS5CPZ3CY5WWTMB2P7OKD \
  | 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: 7fd4c4265d13f3b163b6b4d81d3fee50e8e1ab8feb8356f5b081a2444feb53d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5352173dd38d2c0fc6c8e6bb51583322a87b04f42084cdedcd8dd1e55240643",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-12-23T21:45:26Z",
    "title_canon_sha256": "ec9d641da58cac245f1ddae394bb289ea689a42af338d9089de54a0a01e30446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08845",
    "kind": "arxiv",
    "version": 3
  }
}