Pith Number

pith:QPMKUZXX

pith:2009:QPMKUZXXXASZHAFP2RMEVSZL3R

not attested not anchored not stored refs pending

Enhanced observability of quantum post-exponential decay using distant detectors

D. W. L. Sprung, E. Torrontegui, J. G. Muga, J. Martorell

arxiv:0903.4156 v1 · 2009-03-24 · 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{QPMKUZXXXASZHAFP2RMEVSZL3R}

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	2026-05-18T02:14:26.169091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83d8aa66f7b8259380afd4584acb2bdc76fa6b82fc612971129d06f9d50ed1d2

Aliases

arxiv: 0903.4156 · arxiv_version: 0903.4156v1 · doi: 10.48550/arxiv.0903.4156 · pith_short_12: QPMKUZXXXASZ · pith_short_16: QPMKUZXXXASZHAFP · pith_short_8: QPMKUZXX

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/QPMKUZXXXASZHAFP2RMEVSZL3R \
  | 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: 83d8aa66f7b8259380afd4584acb2bdc76fa6b82fc612971129d06f9d50ed1d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce08d50843ad704619ab7b7ced8db4ab15abf3450fc60d71eae43ad332459b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-24T18:43:08Z",
    "title_canon_sha256": "228198a05dfa5e7a988c432e72bf80d429c5959f9fe6709f6a33255928ca2457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4156",
    "kind": "arxiv",
    "version": 1
  }
}