Pith Number

pith:EUGRTFLL

pith:2015:EUGRTFLLNC22OMN4552H4TVXRZ

not attested not anchored not stored refs pending

Deterministic noiseless amplification of coherent states

M. J. Hu, Y. S. Zhang

arxiv:1503.03554 v1 · 2015-03-12 · quant-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{EUGRTFLLNC22OMN4552H4TVXRZ}

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	2026-05-18T01:34:24.250297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

250d19956b68b5a731bcef747e4eb78e7404aded466c7fb1a10da5a71aa00530

Aliases

arxiv: 1503.03554 · arxiv_version: 1503.03554v1 · doi: 10.48550/arxiv.1503.03554 · pith_short_12: EUGRTFLLNC22 · pith_short_16: EUGRTFLLNC22OMN4 · pith_short_8: EUGRTFLL

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/EUGRTFLLNC22OMN4552H4TVXRZ \
  | 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: 250d19956b68b5a731bcef747e4eb78e7404aded466c7fb1a10da5a71aa00530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dbf846058d757725cd91d6802f47e3e7dd2039a5773938cbbcdfe1dcca435ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-12T01:48:11Z",
    "title_canon_sha256": "96c55b49dec4c7869b483c7e4eafe5b5e6ce7bdaf24e5e918e95bdbea53c1930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03554",
    "kind": "arxiv",
    "version": 1
  }
}