Pith Number

pith:DPYELX6T

pith:2013:DPYELX6TOYW4FZKXPR2RC4NGBJ

not attested not anchored not stored refs pending

Gaps in the HD169142 protoplanetary disk revealed by polarimetric imaging: Signs of ongoing planet formation?

(2) Steward Observatory, (3) University of Kiel), Antonio Garufi (1), Esther Buenzli (2), Hans Martin Schmid (1), Henning Avenhaus (1), Sascha P. Quanz (1), Sebastian Wolf (3) ((1) ETH Zurich, University of Arizona

arxiv:1302.3029 v1 · 2013-02-13 · astro-ph.GA · 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{DPYELX6TOYW4FZKXPR2RC4NGBJ}

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	2026-05-18T01:51:41.808455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf045dfd3762dc2e5577c751171a60a574a9db17740c518280f890cf6e723b2

Aliases

arxiv: 1302.3029 · arxiv_version: 1302.3029v1 · doi: 10.48550/arxiv.1302.3029 · pith_short_12: DPYELX6TOYW4 · pith_short_16: DPYELX6TOYW4FZKX · pith_short_8: DPYELX6T

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/DPYELX6TOYW4FZKXPR2RC4NGBJ \
  | 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: 1bf045dfd3762dc2e5577c751171a60a574a9db17740c518280f890cf6e723b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df1ec1dfd5c800fc56809c703ecc8d955b605738f037639f03801f3dc3a4538",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-13T09:30:26Z",
    "title_canon_sha256": "bde6e577e27bff6e9156a57f058d4ba106393e4183386b6dc33e7e1b3d2d7ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3029",
    "kind": "arxiv",
    "version": 1
  }
}