Pith Number

pith:52GLJKLB

pith:2019:52GLJKLB57WESMG5ANJWLX4EQ3

not attested not anchored not stored refs pending

Perpetual generation of two-photon quantum beats

C Dedes

arxiv:1907.05641 v1 · 2019-07-12 · 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{52GLJKLB57WESMG5ANJWLX4EQ3}

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	2026-05-17T23:40:47.466997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8cb4a961efec4930dd035365df8486df6c66af2499b5f6c32121e66a630be0

Aliases

arxiv: 1907.05641 · arxiv_version: 1907.05641v1 · doi: 10.48550/arxiv.1907.05641 · pith_short_12: 52GLJKLB57WE · pith_short_16: 52GLJKLB57WESMG5 · pith_short_8: 52GLJKLB

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/52GLJKLB57WESMG5ANJWLX4EQ3 \
  | 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: ee8cb4a961efec4930dd035365df8486df6c66af2499b5f6c32121e66a630be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e84cf6907fdec062a594b7304f41d529004afdf605df165d0c4fdee6833f17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-12T09:26:24Z",
    "title_canon_sha256": "de63e9b3769603041dc5db66b7cfff1fcabe5a3e77dbfe405a76251e9f9542cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05641",
    "kind": "arxiv",
    "version": 1
  }
}