Pith Number

pith:YN4HWMQX

pith:2017:YN4HWMQX6W2BD7GLF3U2PNKUXX

not attested not anchored not stored refs pending

Connections between transport of intensity equation and two-dimensional phase unwrapping

Chao Zuo

arxiv:1704.03950 v1 · 2017-04-12 · 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{YN4HWMQX6W2BD7GLF3U2PNKUXX}

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	2026-05-18T00:46:25.783412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3787b3217f5b411fccb2ee9a7b554bdd4de5d5f88f4d5d7b86e643eba1ff621

Aliases

arxiv: 1704.03950 · arxiv_version: 1704.03950v1 · doi: 10.48550/arxiv.1704.03950 · pith_short_12: YN4HWMQX6W2B · pith_short_16: YN4HWMQX6W2BD7GL · pith_short_8: YN4HWMQX

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/YN4HWMQX6W2BD7GLF3U2PNKUXX \
  | 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: c3787b3217f5b411fccb2ee9a7b554bdd4de5d5f88f4d5d7b86e643eba1ff621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87c031b9c210d0d228c635d45f11c5f73f3466cbe49614c6e7a18a8287a6f28b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-04-12T23:28:32Z",
    "title_canon_sha256": "d6560a47e022b270581508a367cf47627b663877ddb78a92551e60d2dc6b4fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03950",
    "kind": "arxiv",
    "version": 1
  }
}