Pith Number

pith:DLJEZM7G

pith:2020:DLJEZM7G7KS7UZR3VDWHZT2DVZ

not attested not anchored not stored refs pending

Low-Cost Optoacoustic Tomography System with Programmable Acoustic Delay-Line

Daohuai Jiang, Fei Gao, Feng Gao, Hengrong Lan, Yiyun Wang

arxiv:2012.03943 v1 · 2020-12-07 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLJEZM7G7KS7UZR3VDWHZT2DVZ}

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	2026-07-05T01:57:36.861704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad24cb3e6faa5fa663ba8ec7ccf43ae4174b8b3f74420bae2eed9d3c5bbe7e1

Aliases

arxiv: 2012.03943 · arxiv_version: 2012.03943v1 · doi: 10.48550/arxiv.2012.03943 · pith_short_12: DLJEZM7G7KS7 · pith_short_16: DLJEZM7G7KS7UZR3 · pith_short_8: DLJEZM7G

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/DLJEZM7G7KS7UZR3VDWHZT2DVZ \
  | 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: 1ad24cb3e6faa5fa663ba8ec7ccf43ae4174b8b3f74420bae2eed9d3c5bbe7e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed3ee73e7609fb60ca32d43a08bcf3c489ec9009a69b70f04bbd2e9f990cb269",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2020-12-07T09:54:23Z",
    "title_canon_sha256": "a95b036fc805525543a0542ac5061655c8eb81f386b98332b654cc52c445ea4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03943",
    "kind": "arxiv",
    "version": 1
  }
}