Pith Number

pith:S4XHFM5Z

pith:2019:S4XHFM5ZPNY4JXHIVB2RHW3JW6

not attested not anchored not stored refs pending

Temporal phase unwrapping using deep learning

Anand Asundi, Chao Zuo, Lei Huang, Maciej Trusiak, Qian Chen, Shijie Feng, Tianyang Tao, Wei Yin

arxiv:1903.09836 v2 · 2019-03-23 · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4XHFM5ZPNY4JXHIVB2RHW3JW6}

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	2026-05-17T23:49:59.112081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972e72b3b97b71c4dce8a87513db69b78de32d7603656bb15a37c7861fe8aaca

Aliases

arxiv: 1903.09836 · arxiv_version: 1903.09836v2 · doi: 10.48550/arxiv.1903.09836 · pith_short_12: S4XHFM5ZPNY4 · pith_short_16: S4XHFM5ZPNY4JXHI · pith_short_8: S4XHFM5Z

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/S4XHFM5ZPNY4JXHIVB2RHW3JW6 \
  | 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: 972e72b3b97b71c4dce8a87513db69b78de32d7603656bb15a37c7861fe8aaca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4793f7e2134e349ba125c95dadfe0b5d05e69525d93ba5836e47e4b72869e1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-03-23T15:44:22Z",
    "title_canon_sha256": "750276eccf97a9e7c849f9794ca75a97e57700b250f5cab13fdddb791355c626"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09836",
    "kind": "arxiv",
    "version": 2
  }
}