Pith Number

pith:V4BTLJ7D

pith:2022:V4BTLJ7DUCQKI4KJLGPURBYCEM

not attested not anchored not stored refs pending

A population of transition disks around evolved stars: Fingerprints of planets? Catalog of disks surrounding Galactic post-AGB binaries

Devika Kamath, Glenn-Michael Oomen, Hans Van Winckel, Jacques Kluska, Michiel Min, Quentin Copp\'ee, Valentin Bujarrabal

arxiv:2201.13155 v1 · 2022-01-31 · 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{V4BTLJ7DUCQKI4KJLGPURBYCEM}

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	2026-07-05T03:55:20.000859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af0335a7e3a0a0a47149599f4887022316a322a94b00d0c21e3b6fa517e93bfb

Aliases

arxiv: 2201.13155 · arxiv_version: 2201.13155v1 · doi: 10.48550/arxiv.2201.13155 · pith_short_12: V4BTLJ7DUCQK · pith_short_16: V4BTLJ7DUCQKI4KJ · pith_short_8: V4BTLJ7D

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/V4BTLJ7DUCQKI4KJLGPURBYCEM \
  | 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: af0335a7e3a0a0a47149599f4887022316a322a94b00d0c21e3b6fa517e93bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a5d4263a7a9087e5ab88641be63beeab142b6f639cf49050cd250a014f47886",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-01-31T11:59:17Z",
    "title_canon_sha256": "9bdc18205a8b5396433716f1e096509f4bd4b9d983120cef103c3b50f1bcb276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13155",
    "kind": "arxiv",
    "version": 1
  }
}