Pith Number

pith:P4D6KVNR

pith:2016:P4D6KVNR7GGULN2GDUT6RIUGOP

not attested not anchored not stored refs pending

Observation of genuine three-photon interference

Deny R. Hamel, Evan Meyer-Scott, Gregor Weihs, Jeff Z. Salvail, Jeongwan Jin, Kevin J. Resch, Sascha Agne, Thomas Jennewein, Thomas Kauten

arxiv:1609.07508 v2 · 2016-09-23 · 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{P4D6KVNR7GGULN2GDUT6RIUGOP}

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	2026-05-18T00:46:04.325552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f07e555b1f98d45b7461d27e8a28673ef7451aa9c45b110a79b1842f44d4009

Aliases

arxiv: 1609.07508 · arxiv_version: 1609.07508v2 · doi: 10.48550/arxiv.1609.07508 · pith_short_12: P4D6KVNR7GGU · pith_short_16: P4D6KVNR7GGULN2G · pith_short_8: P4D6KVNR

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/P4D6KVNR7GGULN2GDUT6RIUGOP \
  | 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: 7f07e555b1f98d45b7461d27e8a28673ef7451aa9c45b110a79b1842f44d4009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9b1616e1b772b489e08d0244e89d8b72a098b6e3ebdaf0fc1ba2d3e62b02ac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-23T20:49:52Z",
    "title_canon_sha256": "f5112902989010d1437eb965300543183f1f30c0713277a51506f5243e55963d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07508",
    "kind": "arxiv",
    "version": 2
  }
}