Pith Number

pith:NDCGD4J2

pith:2014:NDCGD4J2DZYDLDOPSWD6RBLJEF

not attested not anchored not stored refs pending

Extraction of energy from gravitational waves by laser interferometer detectors

Chunnong Zhao, David G Blair, William Kells, Yiqiu Ma

arxiv:1403.3186 v2 · 2014-03-13 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDCGD4J2DZYDLDOPSWD6RBLJEF}

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	2026-05-18T01:03:24.306784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c461f13a1e70358dcf9587e88569217dca49e347e39e7586be3730daed1aef

Aliases

arxiv: 1403.3186 · arxiv_version: 1403.3186v2 · doi: 10.48550/arxiv.1403.3186 · pith_short_12: NDCGD4J2DZYD · pith_short_16: NDCGD4J2DZYDLDOP · pith_short_8: NDCGD4J2

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/NDCGD4J2DZYDLDOPSWD6RBLJEF \
  | 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: 68c461f13a1e70358dcf9587e88569217dca49e347e39e7586be3730daed1aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e7d7c19351c419a024a18aa082515ddfe65af6f513e53a3be77848f58c6bf05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-03-13T07:57:48Z",
    "title_canon_sha256": "de2e9a47f39032e3967c9f42b9d46d22a3f8f7558efc53c43cf7181ddb56d8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3186",
    "kind": "arxiv",
    "version": 2
  }
}