Pith Number

pith:YQRGGGI2

pith:2021:YQRGGGI2KCIEPFU46XWAB5T5IQ

not attested not anchored not stored refs pending

Deep learning-based photoacoustic imaging of vascular network through thick porous media

Qian Cheng, Weiya Xie, Wenyi Xu, Ya Gao, Yiming Chen

arxiv:2103.13964 v3 · 2021-03-25 · physics.med-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{YQRGGGI2KCIEPFU46XWAB5T5IQ}

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	2026-07-05T04:48:06.885521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42263191a509047969cf5ec00f67d441d6e08e9a1fa5efced4e6c86355f9d96

Aliases

arxiv: 2103.13964 · arxiv_version: 2103.13964v3 · doi: 10.48550/arxiv.2103.13964 · pith_short_12: YQRGGGI2KCIE · pith_short_16: YQRGGGI2KCIEPFU4 · pith_short_8: YQRGGGI2

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/YQRGGGI2KCIEPFU46XWAB5T5IQ \
  | 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: c42263191a509047969cf5ec00f67d441d6e08e9a1fa5efced4e6c86355f9d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df53cc5f2e75581ac269b29f916f231a9e8f4166511e474a28a35748adf6e7b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-03-25T16:45:26Z",
    "title_canon_sha256": "09aa99a0278fe89f8e3d9c227131c3448687d19b2c857fe74b5d01ad2574402b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13964",
    "kind": "arxiv",
    "version": 3
  }
}