Pith Number

pith:SVHQVDBC

pith:2011:SVHQVDBC2DP3WQBK6R76W5TGSX

not attested not anchored not stored refs pending

Measurement of two independent phase-shifts using coupled parametric amplifiers

Jiteng Sheng, Min Xiao, Utsab Khadka, Xihua Yang

arxiv:1112.4880 v1 · 2011-12-20 · physics.optics · physics.atom-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{SVHQVDBC2DP3WQBK6R76W5TGSX}

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	2026-05-18T01:59:04.225726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954f0a8c22d0dfbb402af47feb766695f3dadefe0854324a83064ff64ce96c18

Aliases

arxiv: 1112.4880 · arxiv_version: 1112.4880v1 · doi: 10.48550/arxiv.1112.4880 · pith_short_12: SVHQVDBC2DP3 · pith_short_16: SVHQVDBC2DP3WQBK · pith_short_8: SVHQVDBC

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/SVHQVDBC2DP3WQBK6R76W5TGSX \
  | 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: 954f0a8c22d0dfbb402af47feb766695f3dadefe0854324a83064ff64ce96c18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7bcc05645b6274e8c37dd13dce2e19225ec765fbd9c5c0c28cf9950568df4d9",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-12-20T23:24:37Z",
    "title_canon_sha256": "088a4efa4435e3ca1d7eb06f55bb95e6779fd8692fe0284c11b0fe629d8d5527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4880",
    "kind": "arxiv",
    "version": 1
  }
}