Pith Number

pith:42K7QSCC

pith:2020:42K7QSCCGDQNTBGWMGBFP3GRVY

not attested not anchored not stored refs pending

Efficient molecule discrimination in electron microcopy through an optimized orbital angular momentum sorter

Ebrahim Karimi, Enzo Rotunno, Filippo Troiani, Peter J. Peters, Raimond B.G. Ravelli, Stefano Frabboni, Vincenzo Grillo

arxiv:2001.08918 v1 · 2020-01-24 · 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{42K7QSCCGDQNTBGWMGBFP3GRVY}

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	2026-07-05T01:44:09.795493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e695f8484230e0d984d6618257ecd1ae0c2cbe58b664e6835b53d2ea45f3c7e1

Aliases

arxiv: 2001.08918 · arxiv_version: 2001.08918v1 · doi: 10.48550/arxiv.2001.08918 · pith_short_12: 42K7QSCCGDQN · pith_short_16: 42K7QSCCGDQNTBGW · pith_short_8: 42K7QSCC

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/42K7QSCCGDQNTBGWMGBFP3GRVY \
  | 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: e695f8484230e0d984d6618257ecd1ae0c2cbe58b664e6835b53d2ea45f3c7e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "379894d0f138a795203e2df2726c6d7389548d02f7fce59431bc54ea13fedbf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-01-24T08:55:40Z",
    "title_canon_sha256": "b0405bf7091f1525e742c4c9661607ee984506c257ecdbae0b196d0cc45c8b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08918",
    "kind": "arxiv",
    "version": 1
  }
}