Pith Number

pith:LBQC2NVU

pith:2020:LBQC2NVUTHW7CJAQU6HEDD36TV

not attested not anchored not stored refs pending

A sparsity-based nonlinear reconstruction method for two-photon photoacoustic tomography

Madhu Gupta, Rohit Kumar Mishra, Souvik Roy

arxiv:2006.16012 v1 · 2020-06-29 · math.OC · math.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{LBQC2NVUTHW7CJAQU6HEDD36TV}

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	2026-07-05T01:14:11.864433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58602d36b499edf12410a78e418f7e9d4e43f548bab952f186e9e9eb493a8801

Aliases

arxiv: 2006.16012 · arxiv_version: 2006.16012v1 · doi: 10.48550/arxiv.2006.16012 · pith_short_12: LBQC2NVUTHW7 · pith_short_16: LBQC2NVUTHW7CJAQ · pith_short_8: LBQC2NVU

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/LBQC2NVUTHW7CJAQU6HEDD36TV \
  | 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: 58602d36b499edf12410a78e418f7e9d4e43f548bab952f186e9e9eb493a8801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "988ceff3b5313abf26bf495491c8d8c5774a86d51b0948198f6eceb4ab3f5b29",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-06-29T12:54:07Z",
    "title_canon_sha256": "c5fc3b861b17f4571780ce185710b361fc67077b4f4f11c11e1eeb0bbe3720ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16012",
    "kind": "arxiv",
    "version": 1
  }
}