Pith Number

pith:4SUMT2FA

pith:2017:4SUMT2FAVCJJH2CFWUOSEEGR5A

not attested not anchored not stored refs pending

Hadamard single-pixel imaging versus Fourier single-pixel imaging

Guoan Zheng, Jingang Zhong, Xueying Wang, Zibang Zhang

arxiv:1706.08383 v1 · 2017-06-26 · 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{4SUMT2FAVCJJH2CFWUOSEEGR5A}

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	2026-05-18T00:33:17.006444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a8c9e8a0a89293e845b51d2210d1e813ad019ae987326105173983957706a3

Aliases

arxiv: 1706.08383 · arxiv_version: 1706.08383v1 · doi: 10.48550/arxiv.1706.08383 · pith_short_12: 4SUMT2FAVCJJ · pith_short_16: 4SUMT2FAVCJJH2CF · pith_short_8: 4SUMT2FA

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/4SUMT2FAVCJJH2CFWUOSEEGR5A \
  | 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: e4a8c9e8a0a89293e845b51d2210d1e813ad019ae987326105173983957706a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83afaf654d9145c9ccb2ed37b16ba9f78e2d8e4c2de86c0f1b93677faf479153",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-06-26T14:09:25Z",
    "title_canon_sha256": "f54f782dc2d0f0de4446f6378a3477569d21300560d32696dd7dff61dff0cb72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08383",
    "kind": "arxiv",
    "version": 1
  }
}