Pith Number

pith:6XIZQGIT

pith:2010:6XIZQGITLJ57KYIMC2FYJQWANQ

not attested not anchored not stored refs pending

Exact time-reversal focusing of acoustic and quantum excitations in open cavities: The perfect inverse filter

Hernan L. Calvo, Horacio M. Pastawski

arxiv:1003.1941 v1 · 2010-03-09 · cond-mat.mes-hall · 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{6XIZQGITLJ57KYIMC2FYJQWANQ}

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	2026-05-18T02:08:35.879399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5d19819135a7bf5610c168b84c2c06c2746f6c7300a1c3604f171b80cfadc41

Aliases

arxiv: 1003.1941 · arxiv_version: 1003.1941v1 · doi: 10.48550/arxiv.1003.1941 · pith_short_12: 6XIZQGITLJ57 · pith_short_16: 6XIZQGITLJ57KYIM · pith_short_8: 6XIZQGIT

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/6XIZQGITLJ57KYIMC2FYJQWANQ \
  | 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: f5d19819135a7bf5610c168b84c2c06c2746f6c7300a1c3604f171b80cfadc41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4accf9b0233bb17c7b94332f9d59a4b025e32a81f491729e4ce29245104cc845",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2010-03-09T17:54:13Z",
    "title_canon_sha256": "0e9b4038c1467d1f4d98bad0f6c9b6c45185a888fe25b48589d443359b7441ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1941",
    "kind": "arxiv",
    "version": 1
  }
}