Pith Number

pith:VNCEW3YZ

pith:2016:VNCEW3YZI5YW3E733PIBZYF75B

not attested not anchored not stored refs pending

A photo-evaporative gap in the closest planet forming disc

2), 2 Excellence Cluster Universe, 3 IoA Cambridge, 4, 4 ESO Garching, 5) (1 University of Munich, 5 INAF Osservatorio di Arcetri), Barbara Ercolano (1, Giovanni Picogna (1), Giovanni P. Rosotti (3), Leonardo Testi (2

arxiv:1609.03903 v1 · 2016-09-13 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNCEW3YZI5YW3E733PIBZYF75B}

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	2026-05-18T00:50:19.101484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab444b6f1947716d93fbdbd01ce0bfe849f3362132ae59061d6914db555935e5

Aliases

arxiv: 1609.03903 · arxiv_version: 1609.03903v1 · doi: 10.48550/arxiv.1609.03903 · pith_short_12: VNCEW3YZI5YW · pith_short_16: VNCEW3YZI5YW3E73 · pith_short_8: VNCEW3YZ

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/VNCEW3YZI5YW3E733PIBZYF75B \
  | 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: ab444b6f1947716d93fbdbd01ce0bfe849f3362132ae59061d6914db555935e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be3e6a60cc9a378032ec1a2b7bac0511d50da31047638419710e832d6199a8ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-09-13T15:53:01Z",
    "title_canon_sha256": "9bc798e59843ecf535058152bf845ebb8e14bc03915a2662b55034c506078ee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03903",
    "kind": "arxiv",
    "version": 1
  }
}