Pith Number

pith:GJL4NQ6V

pith:2016:GJL4NQ6V7QHRIY5D27XRJRQCAL

not attested not anchored not stored refs pending

Efficient and pure femtosecond-pulse-length source of polarization-entangled photons

Allen Boston, Geoff J. Pryde, Helen M. Chrzanowski, Joseph Ho, Lynden K. Shalm, Michael S. Allman, Morgan M. Weston, Raj B. Patel, Sabine Wollmann, Sae Woo Nam, Sergei Slussarenko, Varun B. Verma

arxiv:1603.03555 v2 · 2016-03-11 · 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{GJL4NQ6V7QHRIY5D27XRJRQCAL}

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	2026-05-18T01:15:06.250842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3257c6c3d5fc0f1463a3d7ef14c60202de5c25b9d7b14680c2cdc7259a68bc7b

Aliases

arxiv: 1603.03555 · arxiv_version: 1603.03555v2 · doi: 10.48550/arxiv.1603.03555 · pith_short_12: GJL4NQ6V7QHR · pith_short_16: GJL4NQ6V7QHRIY5D · pith_short_8: GJL4NQ6V

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/GJL4NQ6V7QHRIY5D27XRJRQCAL \
  | 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: 3257c6c3d5fc0f1463a3d7ef14c60202de5c25b9d7b14680c2cdc7259a68bc7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9c042b2b423b34ab22989c75e2359ec182c931c1555af8d3776e0d4c9ceedd9",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-03-11T08:12:03Z",
    "title_canon_sha256": "b54e0a22bbd31b35a1d29c21b9a68be016ed1ec00594a14603ec26f3970ced6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03555",
    "kind": "arxiv",
    "version": 2
  }
}