Pith Number

pith:UL4YF4CS

pith:2019:UL4YF4CSCCH3WW2ILO66LA3OOI

not attested not anchored not stored refs pending

Disks Around T Tauri Stars with SPHERE (DARTTS-S) II: Twenty-one new polarimetric images of young stellar disks

Alice Zurlo, Antonio Garufi, David A. Principe, Gerrit van der Plas, Gesa H.-M. Bertrang, Henning Avenhaus, Lucas Cieza, Rob G. van Holstein, Sascha P. Quanz, Sebastian Perez, Simon Casassus

arxiv:1911.10853 v2 · 2019-11-25 · 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{UL4YF4CSCCH3WW2ILO66LA3OOI}

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	2026-07-05T00:33:21.817076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f982f052108fbb5b485bbde5836e720226a179f292214fccf20dcbb6f972a7

Aliases

arxiv: 1911.10853 · arxiv_version: 1911.10853v2 · doi: 10.48550/arxiv.1911.10853 · pith_short_12: UL4YF4CSCCH3 · pith_short_16: UL4YF4CSCCH3WW2I · pith_short_8: UL4YF4CS

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/UL4YF4CSCCH3WW2ILO66LA3OOI \
  | 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: a2f982f052108fbb5b485bbde5836e720226a179f292214fccf20dcbb6f972a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30c1c92a4981cdffe1a17a5d8ca0c112bd64cb97a65fda01a542d1611190316",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-25T11:57:31Z",
    "title_canon_sha256": "24e9617a791294231929e011199b1ba64361ff52ec1786c117008149d034b6a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10853",
    "kind": "arxiv",
    "version": 2
  }
}