Pith Number

pith:HQPBRBS6

pith:2017:HQPBRBS63LFXHQ7YAJKB4BUGAV

not attested not anchored not stored refs pending

Design and demonstration of an acoustic right-angle bend

Han Jia, Jun Yang, Wenjia Lu, Yafeng Bi, Yuzhen Yang

arxiv:1701.06974 v1 · 2017-01-23 · physics.class-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{HQPBRBS63LFXHQ7YAJKB4BUGAV}

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	2026-05-18T00:38:58.166769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c1e18865edacb73c3f802541e0686054b81075d87ca775f332a242e1fcf4c74

Aliases

arxiv: 1701.06974 · arxiv_version: 1701.06974v1 · doi: 10.48550/arxiv.1701.06974 · pith_short_12: HQPBRBS63LFX · pith_short_16: HQPBRBS63LFXHQ7Y · pith_short_8: HQPBRBS6

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/HQPBRBS63LFXHQ7YAJKB4BUGAV \
  | 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: 3c1e18865edacb73c3f802541e0686054b81075d87ca775f332a242e1fcf4c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad6decab60a4c11a6c86806fe67fa88f4b16293b6c08fedc77efb023b819094",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-01-23T03:30:16Z",
    "title_canon_sha256": "dc6c012ecc9c7667c1cfe383cb97327418aa79850071c865c7b8541daa8f875a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06974",
    "kind": "arxiv",
    "version": 1
  }
}