Pith Number

pith:PT7JFYHR

pith:2015:PT7JFYHRV3FZ5DDGXWUWAJDQCZ

not attested not anchored not stored refs pending

Two photon amplitude of partially coherent partially entangled electromagnetic fields

Miguel Angel Olvera, Sonja Franke-Arnold

arxiv:1507.08623 v1 · 2015-07-30 · 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{PT7JFYHRV3FZ5DDGXWUWAJDQCZ}

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	2026-05-18T01:36:05.987290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfe92e0f1aecb9e8c66bda960247016447ad2e8b2f1d65f7e054481ad6243f4

Aliases

arxiv: 1507.08623 · arxiv_version: 1507.08623v1 · doi: 10.48550/arxiv.1507.08623 · pith_short_12: PT7JFYHRV3FZ · pith_short_16: PT7JFYHRV3FZ5DDG · pith_short_8: PT7JFYHR

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/PT7JFYHRV3FZ5DDGXWUWAJDQCZ \
  | 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: 7cfe92e0f1aecb9e8c66bda960247016447ad2e8b2f1d65f7e054481ad6243f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7b51368242bcca6d722a1ffc23f983ad346ec8dcdd5dcf1ad3b5c6991a3640",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-30T18:45:23Z",
    "title_canon_sha256": "e9e3a97bd6921a56db167024ac2eb8aef9564d6a46cd71662e07e5bdbf3d14db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08623",
    "kind": "arxiv",
    "version": 1
  }
}