Pith Number

pith:NKQUZGVC

pith:2018:NKQUZGVCPOOTFJLYJFQ6K4ZIRQ

not attested not anchored not stored refs pending

Phase Based Alignment and Improved Projection Matching of Parallel Beam Tomography Data

Toby Sanders

arxiv:1803.04495 v2 · 2018-03-02 · math.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{NKQUZGVCPOOTFJLYJFQ6K4ZIRQ}

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	2026-05-18T00:10:54.460635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa14c9aa27b9d32a5784961e573288c0a170cfaa6b2f0d1cac98371eb3caf3d

Aliases

arxiv: 1803.04495 · arxiv_version: 1803.04495v2 · doi: 10.48550/arxiv.1803.04495 · pith_short_12: NKQUZGVCPOOT · pith_short_16: NKQUZGVCPOOTFJLY · pith_short_8: NKQUZGVC

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/NKQUZGVCPOOTFJLYJFQ6K4ZIRQ \
  | 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: 6aa14c9aa27b9d32a5784961e573288c0a170cfaa6b2f0d1cac98371eb3caf3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ba8b48cbf8b9e587121bf61f29055b4bd3da5b5956d94e3458c7173b76b092",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-02T21:20:30Z",
    "title_canon_sha256": "6f0d31bae0fb37fba31e26dcfca32c5e76bf9cf03f3f8b02f7d1456d2fbb56ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04495",
    "kind": "arxiv",
    "version": 2
  }
}