Pith Number

pith:AXIEWL7L

pith:2011:AXIEWL7LKC7J6V6OHPTH3LQOBM

not attested not anchored not stored refs pending

Stochastic parallel gradient descent based adaptive optics used for high contrast imaging coronagraph

Bing Dong, Deqing Ren, Xi Zhang

arxiv:1105.0976 v1 · 2011-05-05 · 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{AXIEWL7LKC7J6V6OHPTH3LQOBM}

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	2026-05-18T02:02:04.157341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d04b2feb50be9f57ce3be67dae0e0b29c5baaab31a8460708957c37da19f23

Aliases

arxiv: 1105.0976 · arxiv_version: 1105.0976v1 · doi: 10.48550/arxiv.1105.0976 · pith_short_12: AXIEWL7LKC7J · pith_short_16: AXIEWL7LKC7J6V6O · pith_short_8: AXIEWL7L

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/AXIEWL7LKC7J6V6OHPTH3LQOBM \
  | 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: 05d04b2feb50be9f57ce3be67dae0e0b29c5baaab31a8460708957c37da19f23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f94ccfc4d89f859fb713e383d4add2b86bc858c675d7164004bca52c86a9b164",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-05-05T05:20:52Z",
    "title_canon_sha256": "a5e5f9e51675ebd5255685cd53938b3a249c03fbb63278fc7645373797179382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0976",
    "kind": "arxiv",
    "version": 1
  }
}