Pith Number

pith:ZNI2QDDZ

pith:2016:ZNI2QDDZW44SCQG2C5TWPMDY33

not attested not anchored not stored refs pending

Nonlinear quantitative photoacoustic tomography with two-photon absorption

Kui Ren, Rongting Zhang

arxiv:1608.03581 v2 · 2016-08-11 · math.AP · math-ph · math.MP · math.NA · physics.comp-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{ZNI2QDDZW44SCQG2C5TWPMDY33}

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	2026-05-18T00:45:26.040360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb51a80c79b7392140da176767b078decd5503c5cd34a388d0b0e535b40f0837

Aliases

arxiv: 1608.03581 · arxiv_version: 1608.03581v2 · doi: 10.48550/arxiv.1608.03581 · pith_short_12: ZNI2QDDZW44S · pith_short_16: ZNI2QDDZW44SCQG2 · pith_short_8: ZNI2QDDZ

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/ZNI2QDDZW44SCQG2C5TWPMDY33 \
  | 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: cb51a80c79b7392140da176767b078decd5503c5cd34a388d0b0e535b40f0837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82befa6c1ba13e74e1d43a224cc7918cbd154c7889994cb9b7a0d6e4331b605d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-08-11T19:53:28Z",
    "title_canon_sha256": "7ddb36ff37b7278ed6918ef9feca08a3d368e24799cc4cb1dd10f90a19e1e7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03581",
    "kind": "arxiv",
    "version": 2
  }
}