Pith Number

pith:ECM2IKJQ

pith:2020:ECM2IKJQW3DABK7YHYAVZ52HBJ

not attested not anchored not stored refs pending

A Generalization of Otsu's Method and Minimum Error Thresholding

Jonathan T. Barron

arxiv:2007.07350 v3 · 2020-07-14 · 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{ECM2IKJQW3DABK7YHYAVZ52HBJ}

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.

Cited by

1 paper in Pith

Maybe you don't need a U-Net: convolutional feature upsampling for materials micrograph segmentation

Receipt and verification

First computed	2026-07-05T01:28:21.110287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2099a42930b6c600abf83e015cf7470a4e3da3d9debf665ae96f8715cf0e516a

Aliases

arxiv: 2007.07350 · arxiv_version: 2007.07350v3 · doi: 10.48550/arxiv.2007.07350 · pith_short_12: ECM2IKJQW3DA · pith_short_16: ECM2IKJQW3DABK7Y · pith_short_8: ECM2IKJQ

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/ECM2IKJQW3DABK7YHYAVZ52HBJ \
  | 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: 2099a42930b6c600abf83e015cf7470a4e3da3d9debf665ae96f8715cf0e516a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7b790eb557bdc5c294f9b5e55b60454a4b3378a80007482334022ce7985e068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-14T20:55:10Z",
    "title_canon_sha256": "663379b3a694a875f2c3ddc7927d0d780fd6f8fa4fd98a4b590ea5c0fcbf08b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07350",
    "kind": "arxiv",
    "version": 3
  }
}