Pith Number

pith:SKMHIZ5Q

pith:2018:SKMHIZ5QJZ33CQ4CGZKCAGDDMT

not attested not anchored not stored refs pending

Non-linear wavefront reconstruction methods for pyramid sensors using Landweber and Landweber-Kaczmarz iteration

Ronny Ramlau, Victoria Hutterer

arxiv:1808.07673 v1 · 2018-08-23 · 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{SKMHIZ5QJZ33CQ4CGZKCAGDDMT}

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	2026-05-18T00:00:50.911749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92987467b04e77b14382365420186364cf539497dd0ab777f7f3d014684fe8a3

Aliases

arxiv: 1808.07673 · arxiv_version: 1808.07673v1 · doi: 10.48550/arxiv.1808.07673 · pith_short_12: SKMHIZ5QJZ33 · pith_short_16: SKMHIZ5QJZ33CQ4C · pith_short_8: SKMHIZ5Q

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/SKMHIZ5QJZ33CQ4CGZKCAGDDMT \
  | 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: 92987467b04e77b14382365420186364cf539497dd0ab777f7f3d014684fe8a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099f21d7d7b90934c0f5e820f0c5f4f4111a62eb10226db5307fcf6b265204a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-23T09:41:11Z",
    "title_canon_sha256": "5d401a64efa9dad2791e080efd36dd97f6d997399143262a321c999ba70c381b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07673",
    "kind": "arxiv",
    "version": 1
  }
}