Pith Number

pith:X2STZM7F

pith:2015:X2STZM7FEU5KR5ZULJZ7OLZQQD

not attested not anchored not stored refs pending

Where are photons created in parametric down conversion? On the control of the spatio-temporal properties of biphoton states

Alexander B\"use, Gabriel Molina-Terriza, Mathieu L. Juan, Nora Tischler

arxiv:1502.02773 v1 · 2015-02-10 · 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{X2STZM7FEU5KR5ZULJZ7OLZQQD}

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	2026-05-18T01:09:50.765786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea53cb3e5253aa8f7345a73f72f3080f8ae55ae841ef0246870559fff68ad3a

Aliases

arxiv: 1502.02773 · arxiv_version: 1502.02773v1 · doi: 10.48550/arxiv.1502.02773 · pith_short_12: X2STZM7FEU5K · pith_short_16: X2STZM7FEU5KR5ZU · pith_short_8: X2STZM7F

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/X2STZM7FEU5KR5ZULJZ7OLZQQD \
  | 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: bea53cb3e5253aa8f7345a73f72f3080f8ae55ae841ef0246870559fff68ad3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e7bd7c58ec74299be3953de7eafaf9442b4affd3181b9bf6f0d7051520b1252",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-10T04:19:00Z",
    "title_canon_sha256": "1040bec02ab2c0068e9cf4b78ab4775825c657155ae36945835ace1423d1ce52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02773",
    "kind": "arxiv",
    "version": 1
  }
}