Pith Number

pith:NCB7YFQF

pith:2012:NCB7YFQFVDJ2ZYXNF7B6NQJ2UW

not attested not anchored not stored refs pending

Analysis of the time-energy entanglement of down-converted photon pairs by correlated single photon interference

Changliang Ren, Holger F. Hofmann

arxiv:1210.0289 v1 · 2012-10-01 · 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{NCB7YFQFVDJ2ZYXNF7B6NQJ2UW}

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	2026-05-18T03:28:19.539705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6883fc1605a8d3ace2ed2fc3e6c13aa5b54b59386d171b37a8e07cfa5236b499

Aliases

arxiv: 1210.0289 · arxiv_version: 1210.0289v1 · doi: 10.48550/arxiv.1210.0289 · pith_short_12: NCB7YFQFVDJ2 · pith_short_16: NCB7YFQFVDJ2ZYXN · pith_short_8: NCB7YFQF

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/NCB7YFQFVDJ2ZYXNF7B6NQJ2UW \
  | 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: 6883fc1605a8d3ace2ed2fc3e6c13aa5b54b59386d171b37a8e07cfa5236b499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e003e8bc01ce361fc402a0513b7cecb8d218ea0c25d76c06b1b3bada09ebf30e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-01T05:27:14Z",
    "title_canon_sha256": "5b9a561ee9ea49a4af3319d9ae58410d6d503292b403b0615b97a9cc740d79a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0289",
    "kind": "arxiv",
    "version": 1
  }
}