Pith Number

pith:YIFGJT3U

pith:2015:YIFGJT3UJQSRJAWGCHPPCJ3AB5

not attested not anchored not stored refs pending

An acoustic invisible gateway

Bin Liang, Jian-Chun Cheng, Jun Yang, Wei-Wei Kan, Xin-ye Zou, Yi-Fan Zhu

arxiv:1507.03758 v1 · 2015-07-14 · 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{YIFGJT3UJQSRJAWGCHPPCJ3AB5}

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	2026-05-18T01:36:57.407424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c20a64cf744c251482c611def127600f5cbbfcba6f3bad01aaf0becacb29d578

Aliases

arxiv: 1507.03758 · arxiv_version: 1507.03758v1 · doi: 10.48550/arxiv.1507.03758 · pith_short_12: YIFGJT3UJQSR · pith_short_16: YIFGJT3UJQSRJAWG · pith_short_8: YIFGJT3U

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/YIFGJT3UJQSRJAWGCHPPCJ3AB5 \
  | 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: c20a64cf744c251482c611def127600f5cbbfcba6f3bad01aaf0becacb29d578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0e0ff1f5c48b0d0b25974b1c9751ec724afb8a806638b5f9797ba026e5b3566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-07-14T08:17:39Z",
    "title_canon_sha256": "932588e166a704bcc447c8c3909906328ca4f910e46a8f1401f8d17962df86f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03758",
    "kind": "arxiv",
    "version": 1
  }
}