Pith Number

pith:REWRL4LG

pith:2021:REWRL4LGIUT37BUDHCYU545WTD

not attested not anchored not stored refs pending

Image enhancement in acoustic-resolution photoacoustic microscopy enabled by a novel directional algorithm

Fei Feng, Siqi Liang, Sung-Liang Chen

arxiv:2111.10006 v1 · 2021-11-19 · eess.IV · physics.med-ph · 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{REWRL4LGIUT37BUDHCYU545WTD}

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	2026-07-05T03:33:26.586022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892d15f1664527bf868338b14ef3b698d807bacdf1e714736e068f21984bc465

Aliases

arxiv: 2111.10006 · arxiv_version: 2111.10006v1 · doi: 10.48550/arxiv.2111.10006 · pith_short_12: REWRL4LGIUT3 · pith_short_16: REWRL4LGIUT37BUD · pith_short_8: REWRL4LG

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/REWRL4LGIUT37BUDHCYU545WTD \
  | 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: 892d15f1664527bf868338b14ef3b698d807bacdf1e714736e068f21984bc465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dd06ee63e2c0df3be60deefc52d4a12a97ceac54938e08416689dd450479097",
    "cross_cats_sorted": [
      "physics.med-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-11-19T02:04:50Z",
    "title_canon_sha256": "508997fc062e78eb0e3be7f279a52e989211b3f6e63c502be2dbd5f015a51a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.10006",
    "kind": "arxiv",
    "version": 1
  }
}