Pith Number

pith:6ETA6LLA

pith:2024:6ETA6LLAJTUVHP3F7CI7ITWOGB

not attested not anchored not stored refs pending

Prototyping liquid-crystal coronagraphs for exo-Earth imaging

Alexander Eigenraam, Chris N. van Dijk, David Doelman, Erin Pougheon, Felix Bettonvil, Frans Snik, Iva Laginja, Jeroen H. Rietjens, Kristien Peeters, Marco Esposito, Mariya Krasteva, Matteo Taccola, Pierre Baudoz, Thomas Wijnen, Tom van der Wielen

arxiv:2407.14723 v1 · 2024-07-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ETA6LLAJTUVHP3F7CI7ITWOGB}

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	2026-07-05T08:46:32.842936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1260f2d604ce953bf65f891f44ece307410f268fc74398d9c315234a7810675

Aliases

arxiv: 2407.14723 · arxiv_version: 2407.14723v1 · doi: 10.48550/arxiv.2407.14723 · pith_short_12: 6ETA6LLAJTUV · pith_short_16: 6ETA6LLAJTUVHP3F · pith_short_8: 6ETA6LLA

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/6ETA6LLAJTUVHP3F7CI7ITWOGB \
  | 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: f1260f2d604ce953bf65f891f44ece307410f268fc74398d9c315234a7810675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f01df0db1db34151041267ac614d4a37be81c378b6d8d1bdeb3638fd7e058eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-07-20T02:12:01Z",
    "title_canon_sha256": "03e9cae1fb8a078d4de8b11404a82fd9c0d792c62d213c85ecac7d42efc2534a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.14723",
    "kind": "arxiv",
    "version": 1
  }
}