Pith Number

pith:PNIJICPU

pith:2020:PNIJICPUA3RXPXT3N4K4GSUDPT

not attested not anchored not stored refs pending

High contrast at small separation -- II. Impact on the dark hole of a realistic optical set-up with two deformable mirrors

C. Gouvret, L. Abe, M. Beaulieu, P. Baudoz, P. Martinez, R. Galicher

arxiv:2010.04455 v1 · 2020-10-09 · 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{PNIJICPUA3RXPXT3N4K4GSUDPT}

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	2026-07-05T01:41:38.203697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b509409f406e377de7b6f15c34a837cf3eeaa7d16ab480b4de0de8479d6b837

Aliases

arxiv: 2010.04455 · arxiv_version: 2010.04455v1 · doi: 10.48550/arxiv.2010.04455 · pith_short_12: PNIJICPUA3RX · pith_short_16: PNIJICPUA3RXPXT3 · pith_short_8: PNIJICPU

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/PNIJICPUA3RXPXT3N4K4GSUDPT \
  | 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: 7b509409f406e377de7b6f15c34a837cf3eeaa7d16ab480b4de0de8479d6b837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf73272bbe16de68ca0d52d7a6066d26f7fda90bc4c3a90f08eff59caf15dff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-10-09T09:27:33Z",
    "title_canon_sha256": "01413f9e10eaf44e85dd42391f292826a466fc19d508b2186701bce06228c38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.04455",
    "kind": "arxiv",
    "version": 1
  }
}