Pith Number

pith:XEPECD7N

pith:2019:XEPECD7N6BPXXFWN4IZZRUOUDW

not attested not anchored not stored refs pending

Mapping Photocathode Quantum Efficiency with Ghost Imaging

D. Ratner, F. Cropp, K. Kabra, P. Musumeci, S. Li, T. J. Lane

arxiv:1910.11926 v1 · 2019-10-25 · physics.acc-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{XEPECD7N6BPXXFWN4IZZRUOUDW}

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	2026-07-05T00:41:44.603753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b91e410fedf05f7b96cde23398d1d41dba689f64c00220e26cbd0456be55fb42

Aliases

arxiv: 1910.11926 · arxiv_version: 1910.11926v1 · doi: 10.48550/arxiv.1910.11926 · pith_short_12: XEPECD7N6BPX · pith_short_16: XEPECD7N6BPXXFWN · pith_short_8: XEPECD7N

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/XEPECD7N6BPXXFWN4IZZRUOUDW \
  | 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: b91e410fedf05f7b96cde23398d1d41dba689f64c00220e26cbd0456be55fb42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12be3416ce5e204a03ff045304937ec71f3e3bfc012bf2d63a35b4d9fd0bcea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2019-10-25T20:39:30Z",
    "title_canon_sha256": "6daddbf09b991fa5ebead15ae89883b5d4df3257b24fcbdb32278e2c529b7c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.11926",
    "kind": "arxiv",
    "version": 1
  }
}