Pith Number

pith:QJZYR3HS

pith:2021:QJZYR3HSLRRI5U24ZV2CKZOZ4Y

not attested not anchored not stored refs pending

Superresolution photoacoustic tomography using random speckle illumination and second order moments

Osman Asif Malik, Stephen Becker, Todd W. Murray, Venkatalakshmi Vyjayanthi Narumanchi

arxiv:2105.03809 v2 · 2021-05-09 · eess.SP · eess.AS · eess.IV · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJZYR3HSLRRI5U24ZV2CKZOZ4Y}

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	2026-07-05T03:52:57.603881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827388ecf25c628ed35ccd742565d9e63a5276a097db3a4e2e2661dc63689630

Aliases

arxiv: 2105.03809 · arxiv_version: 2105.03809v2 · doi: 10.48550/arxiv.2105.03809 · pith_short_12: QJZYR3HSLRRI · pith_short_16: QJZYR3HSLRRI5U24 · pith_short_8: QJZYR3HS

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/QJZYR3HSLRRI5U24ZV2CKZOZ4Y \
  | 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: 827388ecf25c628ed35ccd742565d9e63a5276a097db3a4e2e2661dc63689630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35063c21f655a2316a9f3cd6342d0c5809f1058ae52e43d632087dc7942ca913",
    "cross_cats_sorted": [
      "eess.AS",
      "eess.IV",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-05-09T01:23:16Z",
    "title_canon_sha256": "7ff21edb964f51a5867174c6c9627d1a44a3f1181418f0d88025145d55011b6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03809",
    "kind": "arxiv",
    "version": 2
  }
}