Pith Number

pith:7UM6YIDN

pith:2003:7UM6YIDNQRLVHDJ7FGF6R4ZD4M

not attested not anchored not stored refs pending

Experimental multi-photon-resolving detector using a single avalanche photodiode

Jan Perina, Jr., Martin Hamar, Ondrej Haderka

arxiv:quant-ph/0302154 v1 · 2003-02-20 · 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{7UM6YIDNQRLVHDJ7FGF6R4ZD4M}

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	2026-05-18T03:47:09.310815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd19ec206d8457538d3f298be8f323e329dab2e1c0377287dbd97d222525d151

Aliases

arxiv: quant-ph/0302154 · arxiv_version: quant-ph/0302154v1 · doi: 10.48550/arxiv.quant-ph/0302154 · pith_short_12: 7UM6YIDNQRLV · pith_short_16: 7UM6YIDNQRLVHDJ7 · pith_short_8: 7UM6YIDN

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/7UM6YIDNQRLVHDJ7FGF6R4ZD4M \
  | 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: fd19ec206d8457538d3f298be8f323e329dab2e1c0377287dbd97d222525d151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f316a6fc6b22eee98f5cc731d964dc50fe03c75af02ed9defa5515aacf088e37",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-02-20T15:19:08Z",
    "title_canon_sha256": "c546948a4a16f2ca0db131cd63239daf47b70326c4e8c06967a1e2f26c4f0d81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0302154",
    "kind": "arxiv",
    "version": 1
  }
}