Pith Number

pith:PCFNN2G2

pith:2020:PCFNN2G22T52FRMHQ744K7NX77

not attested not anchored not stored refs pending

Segmentation Loss Odyssey

Jun Ma

arxiv:2005.13449 v1 · 2020-05-27 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCFNN2G22T52FRMHQ744K7NX77}

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

Digitizing Paper ECGs at Scale: An Open-Source Algorithm for Clinical Research

Receipt and verification

First computed	2026-07-05T01:06:15.899152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788ad6e8dad4fba2c58787f9c57db7ffea51d873ab8c47f4d5c5866f67dc0c42

Aliases

arxiv: 2005.13449 · arxiv_version: 2005.13449v1 · doi: 10.48550/arxiv.2005.13449 · pith_short_12: PCFNN2G22T52 · pith_short_16: PCFNN2G22T52FRMH · pith_short_8: PCFNN2G2

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/PCFNN2G22T52FRMHQ744K7NX77 \
  | 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: 788ad6e8dad4fba2c58787f9c57db7ffea51d873ab8c47f4d5c5866f67dc0c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd0d2f1c140504c486e871ffef1fa01c96b00ca2106edb01ce37a5dc959b396f",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-05-27T16:00:55Z",
    "title_canon_sha256": "5e3b0f5398a3408be86cef6dd21eeadb511171949ca0010ac424ea0ef36e43c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.13449",
    "kind": "arxiv",
    "version": 1
  }
}