Pith Number

pith:FIODLJO7

pith:2017:FIODLJO7HSWPALAN2SQBOG6OT2

not attested not anchored not stored refs pending

Demonstration of broadband contrast at 1.2 $\lambda$/D and greater for the EXCEDE Starlight Suppression System

Dana H. Lynch, Dan Sirbu, Eduardo Bendek, Eugene Pluzhnik, Glenn Schneider, Julien Lozi, Olivier Guyon, Peter Zell, Ruslan Belikov, Sandrine J. Thomas, Troy Hix

arxiv:1709.02459 v1 · 2017-09-07 · 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{FIODLJO7HSWPALAN2SQBOG6OT2}

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	2026-05-18T00:35:45.735214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1c35a5df3cacf02c0dd4a0171bce9eb546d989c13e22fb1e0cdb643d8e93d2

Aliases

arxiv: 1709.02459 · arxiv_version: 1709.02459v1 · doi: 10.48550/arxiv.1709.02459 · pith_short_12: FIODLJO7HSWP · pith_short_16: FIODLJO7HSWPALAN · pith_short_8: FIODLJO7

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/FIODLJO7HSWPALAN2SQBOG6OT2 \
  | 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: 2a1c35a5df3cacf02c0dd4a0171bce9eb546d989c13e22fb1e0cdb643d8e93d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af02d78ba62794026980c065be5ee7a04ecd050720c257ee094fad54cc8d7e56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-09-07T21:38:31Z",
    "title_canon_sha256": "a7b0748215b49d60c04ec6559f1ce9ce0f66944ca6feedd284e849bd8db2b856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02459",
    "kind": "arxiv",
    "version": 1
  }
}