Pith Number

pith:EWYG6MPC

pith:1995:EWYG6MPCFTWGUAOOE543ERQPDT

not attested not anchored not stored refs pending

High Dynamic Range Imaging Using a Deformable Mirror for Space Coronography

F. Malbet, J.W. Yu, M. Shao

arxiv:astro-ph/9502042 v1 · 1995-02-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWYG6MPCFTWGUAOOE543ERQPDT}

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	2026-05-18T01:07:42.349023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b06f31e22cec6a01ce2779b2460f1cc6b32506447f3643816f4645ed1cdffd

Aliases

arxiv: astro-ph/9502042 · arxiv_version: astro-ph/9502042v1 · doi: 10.48550/arxiv.astro-ph/9502042 · pith_short_12: EWYG6MPCFTWG · pith_short_16: EWYG6MPCFTWGUAOO · pith_short_8: EWYG6MPC

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/EWYG6MPCFTWGUAOOE543ERQPDT \
  | 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: 25b06f31e22cec6a01ce2779b2460f1cc6b32506447f3643816f4645ed1cdffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d2156244b382f56dbafa87066cbca38e4608219a90d3bc7e5b139569e19177",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-07T11:22:15Z",
    "title_canon_sha256": "8a19a6a0e8cd91d4da5fef31351389ded5f844328b969286e36ab29e4c95c912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502042",
    "kind": "arxiv",
    "version": 1
  }
}