Pith Number

pith:V2DBOG6V

pith:2018:V2DBOG6VUYDJJWYU5RMSAF7OUF

not attested not anchored not stored refs pending

Design study and first performance simulation of the ELT/MICADO focal plane coronagraphs

Anthony Boccaletti, Cl\'ement Perrot, Elsa huby, G\'erard Rousset, Pierre Baudoz, Richard Davies, S\'ebastien Durand, Yann Cl\'enet

arxiv:1804.01371 v1 · 2018-04-04 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2DBOG6VUYDJJWYU5RMSAF7OUF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:19:15.275077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae86171bd5a60694db14ec592017eea15ee16b7d5822ac104c0cc998f5994558

Aliases

arxiv: 1804.01371 · arxiv_version: 1804.01371v1 · doi: 10.48550/arxiv.1804.01371 · pith_short_12: V2DBOG6VUYDJ · pith_short_16: V2DBOG6VUYDJJWYU · pith_short_8: V2DBOG6V

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/V2DBOG6VUYDJJWYU5RMSAF7OUF \
  | 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: ae86171bd5a60694db14ec592017eea15ee16b7d5822ac104c0cc998f5994558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284a1cc48c7da30b33996d3bdb5e2633ad5673dc1f04b71da60a610fee4b292c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-04-04T12:41:05Z",
    "title_canon_sha256": "8464fa6d6e6e90f6cbd2a9d1b7b3e95f269162e58bc498c8474a207df4ce9af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01371",
    "kind": "arxiv",
    "version": 1
  }
}