Pith Number

pith:4QYG2FSB

pith:2019:4QYG2FSB3CYP7N26A6DDIWQIFS

not attested not anchored not stored refs pending

Scalable Double Regularization for 3D Nano-CT Reconstruction

Meng Li, Wei Tang

arxiv:1909.02256 v3 · 2019-09-05 · eess.IV · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QYG2FSB3CYP7N26A6DDIWQIFS}

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	2026-07-05T00:33:16.020981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4306d1641d8b0ffb75e0786345a082ca1068a197a4a79e786496f3bf2c2efb4

Aliases

arxiv: 1909.02256 · arxiv_version: 1909.02256v3 · doi: 10.48550/arxiv.1909.02256 · pith_short_12: 4QYG2FSB3CYP · pith_short_16: 4QYG2FSB3CYP7N26 · pith_short_8: 4QYG2FSB

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/4QYG2FSB3CYP7N26A6DDIWQIFS \
  | 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: e4306d1641d8b0ffb75e0786345a082ca1068a197a4a79e786496f3bf2c2efb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "671515446407ae82cd002f31013b69129c02031ccb757cc4be13d6df3ccc3302",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-09-05T08:27:55Z",
    "title_canon_sha256": "61645593f698bba080edfc5bdf0d8b8e7d89ddd37465a2798a6edf9fe12904ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02256",
    "kind": "arxiv",
    "version": 3
  }
}