Pith Number

pith:X2BMGOBV

pith:2016:X2BMGOBVNZESWYUTTW7K42RB7N

not attested not anchored not stored refs pending

Boundary-aware Instance Segmentation

Mathieu Salzmann, Xuming He, Zeeshan Hayder

arxiv:1612.03129 v2 · 2016-12-09 · 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{X2BMGOBVNZESWYUTTW7K42RB7N}

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	2026-05-18T00:46:51.457949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be82c338356e492b62939dbeae6a21fb6402e7cebfb434c16646a0dcac814e9a

Aliases

arxiv: 1612.03129 · arxiv_version: 1612.03129v2 · doi: 10.48550/arxiv.1612.03129 · pith_short_12: X2BMGOBVNZES · pith_short_16: X2BMGOBVNZESWYUT · pith_short_8: X2BMGOBV

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/X2BMGOBVNZESWYUTTW7K42RB7N \
  | 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: be82c338356e492b62939dbeae6a21fb6402e7cebfb434c16646a0dcac814e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad16580662789813313c42b86156c24c785fd6e2b60dbbad72344ca6fc8fe6cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-09T18:57:33Z",
    "title_canon_sha256": "5683e5aa112eeb8a902c6130ccfb701329f64c61f06736812f973c4d92c69f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03129",
    "kind": "arxiv",
    "version": 2
  }
}