Pith Number

pith:VWH73NWQ

pith:2013:VWH73NWQK3IK47YGVRZVBXBNQZ

not attested not anchored not stored refs pending

Photoevaporation of Circumstellar Disks Revisited: The Dust-Free Case

Kazuyuki Omukai, Kei E. I. Tanaka, Taishi Nakamoto

arxiv:1306.6623 v1 · 2013-06-27 · 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{VWH73NWQK3IK47YGVRZVBXBNQZ}

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	2026-05-18T01:49:06.945889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8ffdb6d056d0ae7f06ac7350dc2d866a88ce30c4fc6f8b083ee579e0256371

Aliases

arxiv: 1306.6623 · arxiv_version: 1306.6623v1 · doi: 10.48550/arxiv.1306.6623 · pith_short_12: VWH73NWQK3IK · pith_short_16: VWH73NWQK3IK47YG · pith_short_8: VWH73NWQ

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/VWH73NWQK3IK47YGVRZVBXBNQZ \
  | 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: ad8ffdb6d056d0ae7f06ac7350dc2d866a88ce30c4fc6f8b083ee579e0256371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5227a70d95599cd3ea1e10ff8bc7e70502db0f7637ce229ec3195101480af8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-27T20:00:00Z",
    "title_canon_sha256": "8ab77194a1d2c5c1afa99cc6ed11eaec37c42329029aef8debf0d73ebb8153e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6623",
    "kind": "arxiv",
    "version": 1
  }
}