Pith Number

pith:NPWOZXZJ

pith:2019:NPWOZXZJQ46GC3KC7ZPPZ5MKW3

not attested not anchored not stored refs pending

Methods of interpreting error estimates for grayscale image reconstructions

Aaron Defazio, Mark Tygert

arxiv:1902.00608 v1 · 2019-02-02 · stat.CO · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPWOZXZJQ46GC3KC7ZPPZ5MKW3}

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	2026-05-17T23:54:52.706989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bececdf29873c616d42fe5efcf58ab6fea082c8fd4321f1d9d33958ed1af59e

Aliases

arxiv: 1902.00608 · arxiv_version: 1902.00608v1 · doi: 10.48550/arxiv.1902.00608 · pith_short_12: NPWOZXZJQ46G · pith_short_16: NPWOZXZJQ46GC3KC · pith_short_8: NPWOZXZJ

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/NPWOZXZJQ46GC3KC7ZPPZ5MKW3 \
  | 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: 6bececdf29873c616d42fe5efcf58ab6fea082c8fd4321f1d9d33958ed1af59e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e47181ee39a9f1e585fcd90224d9936829e6d8171dcdab1595c4f56a9972cfc8",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-02-02T01:14:58Z",
    "title_canon_sha256": "540ffd8044ecd1f2249a45793e813270d42005a358c9e7572fa7dbb6e0c8eb40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00608",
    "kind": "arxiv",
    "version": 1
  }
}