Pith Number

pith:SD52TZQW

pith:2021:SD52TZQW2EOBHACFLMZHTZARCI

not attested not anchored not stored refs pending

Quantum projection ghost imaging

Baolai Liang, Baoqing Sun, Cheng Ren, De-zhong Cao, Jun Zhang, Kaige Wang, Su-Heng Zhang, Ya-Nan Zhao

arxiv:2108.01037 v2 · 2021-08-02 · 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{SD52TZQW2EOBHACFLMZHTZARCI}

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	2026-07-05T08:00:29.551614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90fba9e616d11c1380455b3279e4111211ef3a9dd1f1d3f0a41fb0daf68c11de

Aliases

arxiv: 2108.01037 · arxiv_version: 2108.01037v2 · doi: 10.48550/arxiv.2108.01037 · pith_short_12: SD52TZQW2EOB · pith_short_16: SD52TZQW2EOBHACF · pith_short_8: SD52TZQW

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/SD52TZQW2EOBHACFLMZHTZARCI \
  | 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: 90fba9e616d11c1380455b3279e4111211ef3a9dd1f1d3f0a41fb0daf68c11de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07eb472a8c14449f4bb56193fda68fa1297418439022d4e7b94dc331f093a882",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-02T16:53:37Z",
    "title_canon_sha256": "69d4e92d5201e6d16b2aba32251ffdea8f2075ad8f31637f0937471569985795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01037",
    "kind": "arxiv",
    "version": 2
  }
}