Pith Number

pith:35E6EG2R

pith:2018:35E6EG2RUXNAPROGI4VAMYYKAG

not attested not anchored not stored refs pending

Asymmetric viscothermal acoustic propagation and implication on flow measurement

Bo Yuan, Lei Qi, Xiaoqian Chen, Yong Chen

arxiv:1804.07982 v1 · 2018-04-21 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35E6EG2RUXNAPROGI4VAMYYKAG}

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	2026-05-18T00:17:49.956973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df49e21b51a5da07c5c6472a06630a01a37e601459d1c0c011679fa400c6ec20

Aliases

arxiv: 1804.07982 · arxiv_version: 1804.07982v1 · doi: 10.48550/arxiv.1804.07982 · pith_short_12: 35E6EG2RUXNA · pith_short_16: 35E6EG2RUXNAPROG · pith_short_8: 35E6EG2R

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/35E6EG2RUXNAPROGI4VAMYYKAG \
  | 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: df49e21b51a5da07c5c6472a06630a01a37e601459d1c0c011679fa400c6ec20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a923bb26a151ce16eb7b2c62a25b0e28f0c959135cff55289481b3ff01373d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-04-21T15:29:57Z",
    "title_canon_sha256": "063715f6f7b22aa6b851ef369baa048353e1acfd95e8dbc2f227eecc3faaade5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07982",
    "kind": "arxiv",
    "version": 1
  }
}