Pith Number

pith:PDSAQSTU

pith:2011:PDSAQSTUYEZ4KSJLIHQHYPXEJ4

not attested not anchored not stored refs pending

Limits on the deterministic creation of pure single-photon states using parametric down-conversion

Andreas Christ, Christine Silberhorn

arxiv:1111.4095 v2 · 2011-11-17 · 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{PDSAQSTUYEZ4KSJLIHQHYPXEJ4}

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	2026-05-18T04:01:49.362785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e4084a74c133c5492b41e07c3ee44f26c4c501401effb521efaed408c23940

Aliases

arxiv: 1111.4095 · arxiv_version: 1111.4095v2 · doi: 10.48550/arxiv.1111.4095 · pith_short_12: PDSAQSTUYEZ4 · pith_short_16: PDSAQSTUYEZ4KSJL · pith_short_8: PDSAQSTU

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/PDSAQSTUYEZ4KSJLIHQHYPXEJ4 \
  | 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: 78e4084a74c133c5492b41e07c3ee44f26c4c501401effb521efaed408c23940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0018b9b23580483db1c74ce24361fd0f972cb23bbcf562781ff29189514a1101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-17T13:41:20Z",
    "title_canon_sha256": "5da17c8a70fe0d59e27595b187e9380384b9927543acae38bb52f25967ea7dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4095",
    "kind": "arxiv",
    "version": 2
  }
}