Pith Number

pith:73DTZCNQ

pith:2014:73DTZCNQM3Z6NKT3XUUCSPS77C

not attested not anchored not stored refs pending

Crossed crystal scheme for fs-pulsed entangled photon generation in ppKTP

Anton Zeilinger, Fabian Steinlechner, Felix Tiefenbacher, Robert Prevedel, Rupert Ursin, Thomas Scheidl

arxiv:1404.6914 v1 · 2014-04-28 · 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{73DTZCNQM3Z6NKT3XUUCSPS77C}

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	2026-05-18T02:53:05.569462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec73c89b066f3e6aa7bbd28293e5ff88459f101801173dfc384b8eebbb00fb1

Aliases

arxiv: 1404.6914 · arxiv_version: 1404.6914v1 · doi: 10.48550/arxiv.1404.6914 · pith_short_12: 73DTZCNQM3Z6 · pith_short_16: 73DTZCNQM3Z6NKT3 · pith_short_8: 73DTZCNQ

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/73DTZCNQM3Z6NKT3XUUCSPS77C \
  | 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: fec73c89b066f3e6aa7bbd28293e5ff88459f101801173dfc384b8eebbb00fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b084b0d7ce78004bf3c0d9141d3506143303a3203141018fbf27a7a80507ceb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-28T10:08:42Z",
    "title_canon_sha256": "ebfd25fa86359456af4106bb928fe3e03cefee9d118e713dac8857a84878c5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6914",
    "kind": "arxiv",
    "version": 1
  }
}