Pith Number

pith:IKYXRYRE

pith:2015:IKYXRYREOXI4TI5N7WQLMOUMIJ

not attested not anchored not stored refs pending

Improving Spatial Codification in Semantic Segmentation

Carles Ventura, Ferran Marqu\'es, Kevin McGuinness, Noel E. O'Connor, Ver\'onica Vilaplana, Xavier Gir\'o-i-Nieto

arxiv:1505.07409 v1 · 2015-05-27 · 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{IKYXRYREOXI4TI5N7WQLMOUMIJ}

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	2026-05-18T00:59:01.827698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b178e22475d1c9a3adfda0b63a8c426b828938a6782e881e3c410a6f25a634

Aliases

arxiv: 1505.07409 · arxiv_version: 1505.07409v1 · doi: 10.48550/arxiv.1505.07409 · pith_short_12: IKYXRYREOXI4 · pith_short_16: IKYXRYREOXI4TI5N · pith_short_8: IKYXRYRE

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/IKYXRYREOXI4TI5N7WQLMOUMIJ \
  | 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: 42b178e22475d1c9a3adfda0b63a8c426b828938a6782e881e3c410a6f25a634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91c1fc589757feaf4b88ada350bd76ad6d4df988966a61aa56f2d7a1205d2a19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-27T17:26:39Z",
    "title_canon_sha256": "9a2548cacbcbeff390d0b1d654e4ded88b254c706728acdfac69c8da67f13f32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07409",
    "kind": "arxiv",
    "version": 1
  }
}