Pith Number

pith:X34BYMNQ

pith:2015:X34BYMNQ7PFSFYOGYNPDEJT5G5

not attested not anchored not stored refs pending

A simple and robust single-pixel computational ghost imaging

Cheng Zhou, Jing Cheng, Li Chen, Lijun Song, Xiaoguang Wang

arxiv:1502.02220 v1 · 2015-02-08 · 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{X34BYMNQ7PFSFYOGYNPDEJT5G5}

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	2026-05-18T02:27:43.305626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bef81c31b0fbcb22e1c6c35e32267d374f09174186fcfa7e70ed1fe539670003

Aliases

arxiv: 1502.02220 · arxiv_version: 1502.02220v1 · doi: 10.48550/arxiv.1502.02220 · pith_short_12: X34BYMNQ7PFS · pith_short_16: X34BYMNQ7PFSFYOG · pith_short_8: X34BYMNQ

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/X34BYMNQ7PFSFYOGYNPDEJT5G5 \
  | 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: bef81c31b0fbcb22e1c6c35e32267d374f09174186fcfa7e70ed1fe539670003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b4686cf36e52ba87a1ac0e7f55a641126ac88b2e4c655649ee0058d5a295d0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-08T06:44:02Z",
    "title_canon_sha256": "d28bdb3a876f11d17287f0d283c32dd89a2fd769beb6646ff5a566cba6fdf04f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02220",
    "kind": "arxiv",
    "version": 1
  }
}