Pith Number

pith:27UHGGQU

pith:2023:27UHGGQULFS3POCE65UXGG5RGD

not attested not anchored not stored refs pending

Acoustic Metafluid for Independent manipulation of the Mass Density and Bulk Modulus

Fan Lu, Han Jia, Jun Yang, Peng Zhang, Ping Zhou, Yafeng Bi, Yuzhen Yang

arxiv:2304.07758 v1 · 2023-04-16 · physics.app-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{27UHGGQULFS3POCE65UXGG5RGD}

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	2026-07-05T06:01:25.028382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e8731a145965b7b844f769731bb130f60e24f33e49e0c97b80f0f4c95eb713

Aliases

arxiv: 2304.07758 · arxiv_version: 2304.07758v1 · doi: 10.48550/arxiv.2304.07758 · pith_short_12: 27UHGGQULFS3 · pith_short_16: 27UHGGQULFS3POCE · pith_short_8: 27UHGGQU

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/27UHGGQULFS3POCE65UXGG5RGD \
  | 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: d7e8731a145965b7b844f769731bb130f60e24f33e49e0c97b80f0f4c95eb713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc7c3ad3f0e236f1fb4f9873e62ae1bebd4bd1e430703fe424f1f838b0ef98c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2023-04-16T12:10:12Z",
    "title_canon_sha256": "332c96b0aee2ec323d08c1d9ee9d28b4b8b681f07bf1d633f0bbdfdb4209e5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07758",
    "kind": "arxiv",
    "version": 1
  }
}