Pith Number

pith:Y3I5LIGI

pith:2019:Y3I5LIGILWJUW44V5XLM4K2LJH

not attested not anchored not stored refs pending

Synthetic aperture imaging with intensity-only data

Alexei Novikov, Chrysoula Tsogka, George Papanicolaou, Miguel Moscoso

arxiv:1905.05308 v1 · 2019-05-13 · physics.comp-ph · cs.CE · 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{Y3I5LIGILWJUW44V5XLM4K2LJH}

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	2026-05-17T23:46:16.897626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6d1d5a0c85d934b7395edd6ce2b4b49cf56e32bb13aa47d50e2cc14d468dd15

Aliases

arxiv: 1905.05308 · arxiv_version: 1905.05308v1 · doi: 10.48550/arxiv.1905.05308 · pith_short_12: Y3I5LIGILWJU · pith_short_16: Y3I5LIGILWJUW44V · pith_short_8: Y3I5LIGI

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/Y3I5LIGILWJUW44V5XLM4K2LJH \
  | 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: c6d1d5a0c85d934b7395edd6ce2b4b49cf56e32bb13aa47d50e2cc14d468dd15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39691af904b6eddc7369b261962dcb43eeef9290e1ec1fb1481bc76b192f9584",
    "cross_cats_sorted": [
      "cs.CE",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-05-13T22:44:03Z",
    "title_canon_sha256": "d617ed8d64ade166e37e8273690c27b3b7277dcdbbc828c50a1f0fc300068c5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05308",
    "kind": "arxiv",
    "version": 1
  }
}