Pith Number

pith:X7ZWTPGN

pith:2018:X7ZWTPGNYLFQIM6V57EB25XT4H

not attested not anchored not stored refs pending

Novel Sparse Recovery Algorithms for 3D Debris Localization using Rotating Point Spread Function Imagery

Chao Wang, Mila Nikolova, Raymond Chan, Robert Plemmons, Sudhakar Prasad

arxiv:1809.10541 v1 · 2018-09-27 · astro-ph.IM · cs.CV · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7ZWTPGNYLFQIM6V57EB25XT4H}

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	2026-05-17T23:57:46.569438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff369bccdc2cb0433d5efc81d76f3e1fa7a2e8b1f301ccc1e0cfff5361ace52

Aliases

arxiv: 1809.10541 · arxiv_version: 1809.10541v1 · doi: 10.48550/arxiv.1809.10541 · pith_short_12: X7ZWTPGNYLFQ · pith_short_16: X7ZWTPGNYLFQIM6V · pith_short_8: X7ZWTPGN

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/X7ZWTPGNYLFQIM6V57EB25XT4H \
  | 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: bff369bccdc2cb0433d5efc81d76f3e1fa7a2e8b1f301ccc1e0cfff5361ace52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc46e9e026bce3b9d78c0fc43774d6ffd6aeae5e0ab70b5a8530343f55f580a6",
    "cross_cats_sorted": [
      "cs.CV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-09-27T14:35:09Z",
    "title_canon_sha256": "25a0f56d88ffd5024af9ac8b5c6c75a7ab90a0056cd5028435e13be14e620c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10541",
    "kind": "arxiv",
    "version": 1
  }
}