Pith Number

pith:EG2IQFLC

pith:2020:EG2IQFLCBCXOJHLEY5DUS5PDG5

not attested not anchored not stored refs pending

Laboratory Demonstration of Spatial Linear Dark Field Control For Imaging Extrasolar Planets in Reflected Light

Barnaby Norris, Benjamin Mazin, Bijan Nemati, Brian Kern, Charlotte Bond, Dan Sirbu, Eugene Pluzhnik, Hari Subedi, Jared Males, Julien Lozi, Kelsey Miller, Olivier Guyon, Richard Frazin, Ruslan Belikov, Scott Will, Steven Bos, Thayne Currie, Tyler Groff

arxiv:2007.14413 v1 · 2020-07-28 · astro-ph.IM · 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{EG2IQFLCBCXOJHLEY5DUS5PDG5}

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	2026-07-05T01:34:02.590774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b488156208aee49d64c7474975e337725b2b15028681fac0594208b994593e

Aliases

arxiv: 2007.14413 · arxiv_version: 2007.14413v1 · doi: 10.48550/arxiv.2007.14413 · pith_short_12: EG2IQFLCBCXO · pith_short_16: EG2IQFLCBCXOJHLE · pith_short_8: EG2IQFLC

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/EG2IQFLCBCXOJHLEY5DUS5PDG5 \
  | 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: 21b488156208aee49d64c7474975e337725b2b15028681fac0594208b994593e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e51e9de17e21abf19dc3d3e1d122e9f9d31b3d8ec08923af5be6a14dc6ddd03",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-07-28T18:00:49Z",
    "title_canon_sha256": "c1eee6cffd64929b3b528a2238c89bc99198f1b9b71f53be60397f4bcc560e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14413",
    "kind": "arxiv",
    "version": 1
  }
}