Pith Number

pith:AJWO2B6A

pith:2014:AJWO2B6A7LY5JEJKJTFD2R2ITG

not attested not anchored not stored refs pending

Effects of differential wavefront sensor bias drifts on high contrast imaging

Andrew Cardwell, Andrew Serio, Bruce A. Macintosh, Claire E. Max, David W. Palmer, Dmitry Savransky, Fredrik Rantakyr\"o, Lisa A. Poyneer, Markus Hartung, Naru Sadakuni, Pascale Hibon, Sandrine J. Thomas, Stephen Goodsell, with the GPI team

arxiv:1407.2316 v1 · 2014-07-09 · astro-ph.IM · astro-ph.EP

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

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	2026-05-18T01:42:38.823473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

026ced07c0faf1d4912a4cca3d474899b8426cbc2e062f849556682c5313745f

Aliases

arxiv: 1407.2316 · arxiv_version: 1407.2316v1 · doi: 10.48550/arxiv.1407.2316 · pith_short_12: AJWO2B6A7LY5 · pith_short_16: AJWO2B6A7LY5JEJK · pith_short_8: AJWO2B6A

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/AJWO2B6A7LY5JEJKJTFD2R2ITG \
  | 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: 026ced07c0faf1d4912a4cca3d474899b8426cbc2e062f849556682c5313745f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43c3cc59de56e6a2cd2b89eff2f41cf32c8e8bdac6fa9ce3298f3fb23158f59",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-09T00:02:59Z",
    "title_canon_sha256": "fd4dbc300c089c460666cf7e60c67dfc80162e82784948a9fbd46332e7516918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2316",
    "kind": "arxiv",
    "version": 1
  }
}