Pith Number

pith:ZDGSKE2Z

pith:2017:ZDGSKE2Z6EDQJ47X2A6I2E4OJ5

not attested not anchored not stored refs pending

DZ Cha: a bona fide photoevaporating disc

A. Garufi, A. Hardy, B. Montesinos, C. Caceres, C. Eiroa, E. Villaver, F. M\'enard, G. Meeus, H. Canovas, I. Rebollido, J. de Boer, J. Olofsson, L. A. Cieza, M. R. Schreiber, P. Riviere-Marichalar, R. G. van Holstein, Z. Wahhaj

arxiv:1710.09393 v1 · 2017-10-25 · 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{ZDGSKE2Z6EDQJ47X2A6I2E4OJ5}

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	2026-05-18T00:23:30.058358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8cd251359f10704f3f7d03c8d138e4f606a4fc3dc8e9caa2d5c93ac163c2fb3

Aliases

arxiv: 1710.09393 · arxiv_version: 1710.09393v1 · doi: 10.48550/arxiv.1710.09393 · pith_short_12: ZDGSKE2Z6EDQ · pith_short_16: ZDGSKE2Z6EDQJ47X · pith_short_8: ZDGSKE2Z

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/ZDGSKE2Z6EDQJ47X2A6I2E4OJ5 \
  | 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: c8cd251359f10704f3f7d03c8d138e4f606a4fc3dc8e9caa2d5c93ac163c2fb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48ff7bd31ecc35afb9386c4d8f4dda779712bd99853683ec7e9631887647fa5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-10-25T18:03:00Z",
    "title_canon_sha256": "72546591a27ca0f93d5232238a8c6e122f84f79a1fce05f301ee933d12f4958c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09393",
    "kind": "arxiv",
    "version": 1
  }
}