Pith Number

pith:3UJMAL7M

pith:2017:3UJMAL7M3HZZNRQBJ5V3A2QTCP

not attested not anchored not stored refs pending

Normalized Total Gradient: A New Measure for Multispectral Image Registration

Hui-Liang Shen, Shu-Jie Chen

arxiv:1702.04562 v1 · 2017-02-15 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UJMAL7M3HZZNRQBJ5V3A2QTCP}

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	2026-05-18T00:23:40.032494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd12c02fecd9f396c6014f6bb06a1313c51a6d5b0c5af44fb22b80140c1672e4

Aliases

arxiv: 1702.04562 · arxiv_version: 1702.04562v1 · doi: 10.48550/arxiv.1702.04562 · pith_short_12: 3UJMAL7M3HZZ · pith_short_16: 3UJMAL7M3HZZNRQB · pith_short_8: 3UJMAL7M

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/3UJMAL7M3HZZNRQBJ5V3A2QTCP \
  | 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: dd12c02fecd9f396c6014f6bb06a1313c51a6d5b0c5af44fb22b80140c1672e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aaa317a25755222b96593d439864fe29edb40bb771158b4d4952d1852e69afe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-15T11:52:38Z",
    "title_canon_sha256": "9f474694fbbe4561ea94cfb38032a33c9466633a4801e603f47e2e3372230b1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04562",
    "kind": "arxiv",
    "version": 1
  }
}