Pith Number

pith:URUUNWMS

pith:2014:URUUNWMS7NRWNG6LF5PAMCROV7

not attested not anchored not stored refs pending

An acoustic black hole in a stationary hydrodynamic flow of microcavity polaritons

A. Amo, A. Lema\^itre, D. Gerace, D. Sanvitto, E. Galopin, H. S. Nguyen, I. Carusotto, I. Sagnes, J. Bloch

arxiv:1410.0238 v1 · 2014-10-01 · cond-mat.mes-hall · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URUUNWMS7NRWNG6LF5PAMCROV7}

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	2026-05-18T01:09:37.403118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a46946d992fb63669bcb2f5e060a2eaff68a3b939bee7dc17b14f17829987428

Aliases

arxiv: 1410.0238 · arxiv_version: 1410.0238v1 · doi: 10.48550/arxiv.1410.0238 · pith_short_12: URUUNWMS7NRW · pith_short_16: URUUNWMS7NRWNG6L · pith_short_8: URUUNWMS

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/URUUNWMS7NRWNG6LF5PAMCROV7 \
  | 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: a46946d992fb63669bcb2f5e060a2eaff68a3b939bee7dc17b14f17829987428

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b07792d85e7375b2c0db31ce89467930ff1f6853a3c888a233ab61f99e6979b",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-10-01T14:22:04Z",
    "title_canon_sha256": "5c2f871decd0fc1558c794864b8dd448d5f689b7f9649fbd4464301839bbc983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0238",
    "kind": "arxiv",
    "version": 1
  }
}