Pith Number

pith:BDKE4X2R

pith:2025:BDKE4X2RE7HVDE37AT6QNEXJHU

not attested not anchored not stored refs pending

Provable algorithms for multi-reference alignment over $\SO(2)$

Gil Drozatz, Nir Sharon, Tamir Bendory

arxiv:2504.19140 v2 · 2025-04-27 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDKE4X2RE7HVDE37AT6QNEXJHU}

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	2026-07-05T10:59:09.813054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d44e5f5127cf51937f04fd0692e93d347614b23ec227331062cff1e74fc3f6

Aliases

arxiv: 2504.19140 · arxiv_version: 2504.19140v2 · doi: 10.48550/arxiv.2504.19140 · pith_short_12: BDKE4X2RE7HV · pith_short_16: BDKE4X2RE7HVDE37 · pith_short_8: BDKE4X2R

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/BDKE4X2RE7HVDE37AT6QNEXJHU \
  | 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: 08d44e5f5127cf51937f04fd0692e93d347614b23ec227331062cff1e74fc3f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa914cd09c5b85f07815ea964ab0d942360ec92429cbadf4cfc3b957ed0348b1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-27T07:28:57Z",
    "title_canon_sha256": "38774f0795d157c860d406bf2fef068ec597a991beadbae3bf0a4ea7d10eb881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19140",
    "kind": "arxiv",
    "version": 2
  }
}