Pith Number

pith:AQCPWJBT

pith:2010:AQCPWJBTYDNR2P4ZSRHNGJF5JO

not attested not anchored not stored refs pending

Transverse coherence of photon pairs generated in spontaneous parametric down-conversion

Jan Perina Jr, Martin Hamar, Ondrej Haderka, Vaclav Michalek

arxiv:1003.1249 v1 · 2010-03-05 · 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{AQCPWJBTYDNR2P4ZSRHNGJF5JO}

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	2026-05-18T02:08:45.793831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0404fb2433c0db1d3f99944ed324bd4bb955534f99ac1741d80bb4a09153e004

Aliases

arxiv: 1003.1249 · arxiv_version: 1003.1249v1 · doi: 10.48550/arxiv.1003.1249 · pith_short_12: AQCPWJBTYDNR · pith_short_16: AQCPWJBTYDNR2P4Z · pith_short_8: AQCPWJBT

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/AQCPWJBTYDNR2P4ZSRHNGJF5JO \
  | 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: 0404fb2433c0db1d3f99944ed324bd4bb955534f99ac1741d80bb4a09153e004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489476b2b80a9fa9068f80da6216c4a08879f518419796fec68fdbcd6efd2072",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-05T16:30:22Z",
    "title_canon_sha256": "67fe133063e867f33bb064b6da41b267e37627be86d2e7eeb14ab45df3703a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1249",
    "kind": "arxiv",
    "version": 1
  }
}