Pith Number

pith:3UTE3LNU

pith:2026:3UTE3LNUD2CU5CWNQDLX45ZOCK

not attested not anchored not stored refs pending

Mid-infrared single-photon sub-pixel temporal ghost imaging

Heping Zeng, Huijie Ma, Jianan Fang, Kun Huang, Wen Zhang, Zhibin Zhao, Ziyu He

arxiv:2605.20768 v1 · 2026-05-20 · 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{3UTE3LNUD2CU5CWNQDLX45ZOCK}

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	2026-05-21T01:04:53.378561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd264dadb41e854e8acd80d77e772e12975bd0ed2eea0399d485d45c88fc607c

Aliases

arxiv: 2605.20768 · arxiv_version: 2605.20768v1 · doi: 10.48550/arxiv.2605.20768 · pith_short_12: 3UTE3LNUD2CU · pith_short_16: 3UTE3LNUD2CU5CWN · pith_short_8: 3UTE3LNU

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/3UTE3LNUD2CU5CWNQDLX45ZOCK \
  | 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: dd264dadb41e854e8acd80d77e772e12975bd0ed2eea0399d485d45c88fc607c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f65340078a4514f4e163a2852bf8131f81e02e0a1bad28b59d47a291fe7995",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-20T06:11:29Z",
    "title_canon_sha256": "e4a1eec9d1acb6f90e97734c8b6766659691ac77db1f7740dbe5b6a81e27036d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20768",
    "kind": "arxiv",
    "version": 1
  }
}