Pith Number

pith:MKI3FHBM

pith:2026:MKI3FHBM2OPSNWJOMIB5OQDZ2C

not attested not anchored not stored refs pending

Analysis of the young disk around WRAY 15-1880: does it contain a primitive planetary system?

Elisabetta Rigliaco, Enrico Grippi, Gabriele Columba, Raffaele Gratton, Silvano Desidera

arxiv:2606.10816 v1 · 2026-06-09 · astro-ph.SR · 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{MKI3FHBM2OPSNWJOMIB5OQDZ2C}

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	2026-06-10T01:10:41.933002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c

Aliases

arxiv: 2606.10816 · arxiv_version: 2606.10816v1 · doi: 10.48550/arxiv.2606.10816 · pith_short_12: MKI3FHBM2OPS · pith_short_16: MKI3FHBM2OPSNWJO · pith_short_8: MKI3FHBM

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/MKI3FHBM2OPSNWJOMIB5OQDZ2C \
  | 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: 6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb14e6352600da8c136094e07e3c180aead9f88ecb3bddb97c67d0b500c13b5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-09T12:59:04Z",
    "title_canon_sha256": "e7768577c9a09f0cbc43395d6cf7a5ad7114b9765a34cbdd691edead8f5547c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10816",
    "kind": "arxiv",
    "version": 1
  }
}