Pith Number

pith:NYCBA76V

pith:2020:NYCBA76VNMSG2U2BZUI3VUCGGK

not attested not anchored not stored refs pending

Counterfactual Ghost Imaging

John Rarity, Jonte Hance

arxiv:2010.14292 v3 · 2020-10-27 · 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{NYCBA76VNMSG2U2BZUI3VUCGGK}

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.

Cited by

1 paper in Pith

Interaction-free measurement of multiple objects using a universal integrated photonic processor

Receipt and verification

First computed	2026-07-05T02:45:34.040085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e04107fd56b246d5341cd11bad046328bafa2266f8c9f63a79c396ad65ccd27

Aliases

arxiv: 2010.14292 · arxiv_version: 2010.14292v3 · doi: 10.48550/arxiv.2010.14292 · pith_short_12: NYCBA76VNMSG · pith_short_16: NYCBA76VNMSG2U2B · pith_short_8: NYCBA76V

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/NYCBA76VNMSG2U2BZUI3VUCGGK \
  | 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: 6e04107fd56b246d5341cd11bad046328bafa2266f8c9f63a79c396ad65ccd27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac886084ba08117eb213d6f7b66446438464c8333958da30e7ec647a1d0b288",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-10-27T13:50:12Z",
    "title_canon_sha256": "f6af9cf342dc0fc4cb431d84c411377b9bc07c7a11a96308061acb5d8387afc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.14292",
    "kind": "arxiv",
    "version": 3
  }
}