Pith Number

pith:NUH3AQAG

pith:2017:NUH3AQAGPJJQKBKH7R67D4M2D2

not attested not anchored not stored refs pending

Design of an underwater acoustic bend by pentamode metafluid

Han Jia, Jun Yang, Yi Chen, Zhaoyong Sun, Zhen Wang

arxiv:1709.04628 v1 · 2017-09-14 · 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{NUH3AQAGPJJQKBKH7R67D4M2D2}

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	2026-05-18T00:21:25.308165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d0fb040067a53050547fc7df1f19a1e8fcdbcf4e17310011fcd16462e91ccd7

Aliases

arxiv: 1709.04628 · arxiv_version: 1709.04628v1 · doi: 10.48550/arxiv.1709.04628 · pith_short_12: NUH3AQAGPJJQ · pith_short_16: NUH3AQAGPJJQKBKH · pith_short_8: NUH3AQAG

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/NUH3AQAGPJJQKBKH7R67D4M2D2 \
  | 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: 6d0fb040067a53050547fc7df1f19a1e8fcdbcf4e17310011fcd16462e91ccd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e4fb6ea62a6b50a53966e460a39526f058116c4ce1524b3c760e94eb1fbd9ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-09-14T06:24:21Z",
    "title_canon_sha256": "58d6222a6f07bfc44ba1f14b734fe290da3b85eb5dfedde2eb116614504a6601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04628",
    "kind": "arxiv",
    "version": 1
  }
}