Pith Number

pith:P7MHD5MH

pith:2013:P7MHD5MHMS4FEWCCPD2KGZNOKP

not attested not anchored not stored refs pending

Lopsided dust rings in transition disks

C. P. Dullemond, P. Pinilla, T. Birnstiel

arxiv:1301.1976 v1 · 2013-01-09 · 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{P7MHD5MHMS4FEWCCPD2KGZNOKP}

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	2026-05-18T01:52:14.206262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd871f58764b852584278f4a365ae53c376d7b2d5bf98e7216f11a1493cd678

Aliases

arxiv: 1301.1976 · arxiv_version: 1301.1976v1 · doi: 10.48550/arxiv.1301.1976 · pith_short_12: P7MHD5MHMS4F · pith_short_16: P7MHD5MHMS4FEWCC · pith_short_8: P7MHD5MH

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/P7MHD5MHMS4FEWCCPD2KGZNOKP \
  | 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: 7fd871f58764b852584278f4a365ae53c376d7b2d5bf98e7216f11a1493cd678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f17fe8bbdaf8303d4a7d10a7f9fc78769fd5e69612ad1e00faf963ba70ccf3e6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-01-09T21:00:02Z",
    "title_canon_sha256": "b65c69f04608efcfcf9aefd6ef9ed66f8e672a50f6cbc67a0c3863665a154b62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1976",
    "kind": "arxiv",
    "version": 1
  }
}