Pith Number

pith:I2OBY5KJ

pith:2021:I2OBY5KJIPGE2DFYY4HBOLWB65

not attested not anchored not stored refs pending

Status of predictive wavefront control on Keck II adaptive optics bench: on-sky coronagraphic results

Charlotte Z. Bond, J. Fowler, Maaike A.M. van Kooten, Peter Wizinowich, Rebecca Jensen-Clem, Sam Ragland, Sylvain Cetre

arxiv:2108.08932 v1 · 2021-08-19 · 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{I2OBY5KJIPGE2DFYY4HBOLWB65}

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	2026-07-05T03:07:32.078006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

469c1c754943cc4d0cb8c70e172ec1f745b965549bb0a67e3acecac43d1b78ea

Aliases

arxiv: 2108.08932 · arxiv_version: 2108.08932v1 · doi: 10.48550/arxiv.2108.08932 · pith_short_12: I2OBY5KJIPGE · pith_short_16: I2OBY5KJIPGE2DFY · pith_short_8: I2OBY5KJ

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/I2OBY5KJIPGE2DFYY4HBOLWB65 \
  | 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: 469c1c754943cc4d0cb8c70e172ec1f745b965549bb0a67e3acecac43d1b78ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c4a69dd0d6f78117d9e903e6a8da38e43b74b03852fe14d026a716783a2879",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-08-19T22:08:24Z",
    "title_canon_sha256": "9ed0834e5566b52da5923e25bbb00e2d49bccc4e38c287a34907b09771923faa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08932",
    "kind": "arxiv",
    "version": 1
  }
}