Pith Number

pith:V4APQH2E

pith:2017:V4APQH2E7XOMCHNFSYPILBKDK2

not attested not anchored not stored refs pending

Maximum entropy based non-negative optoacoustic tomographic image reconstruction

Daniel Razansky, Jaya Prakash, Subhamoy Mandal, Vasilis Ntziachristos

arxiv:1707.08391 v3 · 2017-07-26 · physics.med-ph · cs.CV · eess.IV · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4APQH2E7XOMCHNFSYPILBKDK2}

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	2026-05-17T23:56:05.595507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af00f81f44fddcc11da5961e85854356aae8e4ee74a17a7bf7a33123955d8076

Aliases

arxiv: 1707.08391 · arxiv_version: 1707.08391v3 · doi: 10.48550/arxiv.1707.08391 · pith_short_12: V4APQH2E7XOM · pith_short_16: V4APQH2E7XOMCHNF · pith_short_8: V4APQH2E

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/V4APQH2E7XOMCHNFSYPILBKDK2 \
  | 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: af00f81f44fddcc11da5961e85854356aae8e4ee74a17a7bf7a33123955d8076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d4d0de65cf2e4e43112d3ba1b421b75fddcc39823330e4a82697267f08904f",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-07-26T11:50:06Z",
    "title_canon_sha256": "fce8f2267155a6e02957299dc322118639fc8a727e541ae8c7d173441a8c8924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08391",
    "kind": "arxiv",
    "version": 3
  }
}