Pith Number

pith:PQP7JU6T

pith:2013:PQP7JU6TQLIKN27VEYRIGF4UET

not attested not anchored not stored refs pending

Spectral compression of single photons

Alessandro Fedrizzi, John M. Donohue, Jonathan Lavoie, Kevin J. Resch, Logan G. Wright

arxiv:1308.0069 v1 · 2013-08-01 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQP7JU6TQLIKN27VEYRIGF4UET}

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	2026-05-18T03:17:00.705008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1ff4d3d382d0a6ebf5262283179424fb1c10cb5e243dc1d9dd1672d2ef114c

Aliases

arxiv: 1308.0069 · arxiv_version: 1308.0069v1 · doi: 10.48550/arxiv.1308.0069 · pith_short_12: PQP7JU6TQLIK · pith_short_16: PQP7JU6TQLIKN27V · pith_short_8: PQP7JU6T

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/PQP7JU6TQLIKN27VEYRIGF4UET \
  | 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: 7c1ff4d3d382d0a6ebf5262283179424fb1c10cb5e243dc1d9dd1672d2ef114c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aefb6daed6eb2dbd69819b9a64dfc866ffce66947a8b2c4ba3cb8b0a8c053ed2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-01T00:16:29Z",
    "title_canon_sha256": "d3225403c4e9ef21f56d53f573b515e446e56b02c4da37c1629ffdaee01a81fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0069",
    "kind": "arxiv",
    "version": 1
  }
}