Pith Number

pith:D4SVDWWL

pith:2019:D4SVDWWLGQNT7NJB4B2XIOVKQQ

not attested not anchored not stored refs pending

Mean Gradient Descent: An optimization approach for single-shot interferogram analysis

Kedar Khare, Mansi Butola, Sunaina

arxiv:1906.11408 v1 · 2019-06-27 · eess.IV · 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{D4SVDWWLGQNT7NJB4B2XIOVKQQ}

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	2026-05-17T23:42:07.222554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2551dacb341b3fb521e075743aaa842088d45a7a51401d77cfe88a7289384c

Aliases

arxiv: 1906.11408 · arxiv_version: 1906.11408v1 · doi: 10.48550/arxiv.1906.11408 · pith_short_12: D4SVDWWLGQNT · pith_short_16: D4SVDWWLGQNT7NJB · pith_short_8: D4SVDWWL

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/D4SVDWWLGQNT7NJB4B2XIOVKQQ \
  | 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: 1f2551dacb341b3fb521e075743aaa842088d45a7a51401d77cfe88a7289384c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ae6a08ffc4e9507eec48c883c3bed510abdaff94ca561fb41676f9b650f8799",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-06-27T01:50:05Z",
    "title_canon_sha256": "b344a2a8340c248d170ff0174f648e579b0d19c957a7ea9e0629b91f9a2ca2a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11408",
    "kind": "arxiv",
    "version": 1
  }
}