Pith Number

pith:IXYYWA7E

pith:2018:IXYYWA7ESV6PDA2ICZKE76N65Z

not attested not anchored not stored refs pending

Learning to Segment via Cut-and-Paste

Jonathan Huang, Matthew Brown, Tal Remez

arxiv:1803.06414 v1 · 2018-03-16 · 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{IXYYWA7ESV6PDA2ICZKE76N65Z}

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	2026-05-18T00:20:45.958591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f18b03e4957cf1834816544ff9beee4e57a210d67c6e5f4f80638cd9e00157

Aliases

arxiv: 1803.06414 · arxiv_version: 1803.06414v1 · doi: 10.48550/arxiv.1803.06414 · pith_short_12: IXYYWA7ESV6P · pith_short_16: IXYYWA7ESV6PDA2I · pith_short_8: IXYYWA7E

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/IXYYWA7ESV6PDA2ICZKE76N65Z \
  | 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: 45f18b03e4957cf1834816544ff9beee4e57a210d67c6e5f4f80638cd9e00157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cdb6e7f9093e4d5bbb9fecba5c7c6a69e10870da8ec5de914bc3b53dc6e9126",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-16T21:58:51Z",
    "title_canon_sha256": "0d6b444d041054235b8525c37362abd7c200b4bc721ea7cdcfb2abbfe7b82711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06414",
    "kind": "arxiv",
    "version": 1
  }
}