Pith Number

pith:QSBNVQNI

pith:2020:QSBNVQNILOE6PXMNKXNO6ZCU4T

not attested not anchored not stored refs pending

Decay behavior and optical parameter identification for spatial-frequency domain imaging by the radiative transport equation

Kazuki Takada, Keiichiro Kagawa, Manabu Machida, Yoko Hoshi

arxiv:2005.09937 v2 · 2020-05-20 · 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{QSBNVQNILOE6PXMNKXNO6ZCU4T}

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	2026-07-05T04:49:28.090249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8482dac1a85b89e7dd8d55daef6454e4c455d22b869e19c8cf5b2a1442d9fc11

Aliases

arxiv: 2005.09937 · arxiv_version: 2005.09937v2 · doi: 10.48550/arxiv.2005.09937 · pith_short_12: QSBNVQNILOE6 · pith_short_16: QSBNVQNILOE6PXMN · pith_short_8: QSBNVQNI

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/QSBNVQNILOE6PXMNKXNO6ZCU4T \
  | 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: 8482dac1a85b89e7dd8d55daef6454e4c455d22b869e19c8cf5b2a1442d9fc11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1daeca15a98eabb67fdd1f391cfd06b3bdafe7a509a8fb0874a7d9f6a052782",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-05-20T09:42:38Z",
    "title_canon_sha256": "d1b579798515b056ace0b8ac54d9017852554697191837c847a8b8504472a7be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.09937",
    "kind": "arxiv",
    "version": 2
  }
}