Pith Number

pith:CU7DPA5A

pith:2019:CU7DPA5AXLUX5SK3YKCAXQAWWY

not attested not anchored not stored refs pending

NaCo polarimetric observations of Sz 91 transitional disk: a remarkable case of dust filtering

Alice Zurlo, Amelia Bayo, Christophe Pinte, Claudio C\'aceres, Eva Villaver, Hector Canovas, Johan Olofsson, Julien H. Girard, Karina Mauc\'o, Lucas Cieza, Mat\'ias Montesinos, Matthias R. Schreiber, Valentin Christiaens

arxiv:1912.01925 v1 · 2019-12-04 · 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{CU7DPA5AXLUX5SK3YKCAXQAWWY}

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	2026-07-05T00:31:34.991494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

153e3783a0bae97ec95bc2840bc016b61a61d0bd919d71b4236818c41c5bc0ba

Aliases

arxiv: 1912.01925 · arxiv_version: 1912.01925v1 · doi: 10.48550/arxiv.1912.01925 · pith_short_12: CU7DPA5AXLUX · pith_short_16: CU7DPA5AXLUX5SK3 · pith_short_8: CU7DPA5A

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/CU7DPA5AXLUX5SK3YKCAXQAWWY \
  | 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: 153e3783a0bae97ec95bc2840bc016b61a61d0bd919d71b4236818c41c5bc0ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35098a90132095f20aec4c39bc4fc7a06cc05e52cb399875ad2d9b893f15119c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-12-04T12:23:49Z",
    "title_canon_sha256": "16755d5f850428fb5d571699087c943b6ce5cae54ebb745413ada28878b02c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01925",
    "kind": "arxiv",
    "version": 1
  }
}