Pith Number

pith:EFRPO4BW

pith:2017:EFRPO4BWDYTX6JJYVNTWO5FBGB

not attested not anchored not stored refs pending

Semantic Instance Labeling Leveraging Hierarchical Segmentation

Henrik Christensen, Irfan Essa, Steven Hickson

arxiv:1708.00946 v1 · 2017-08-02 · 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{EFRPO4BWDYTX6JJYVNTWO5FBGB}

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	2026-05-18T00:24:59.785213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2162f770361e277f2538ab676774a1304b0eff3b369205d7ab49ae123b5f407f

Aliases

arxiv: 1708.00946 · arxiv_version: 1708.00946v1 · doi: 10.48550/arxiv.1708.00946 · pith_short_12: EFRPO4BWDYTX · pith_short_16: EFRPO4BWDYTX6JJY · pith_short_8: EFRPO4BW

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/EFRPO4BWDYTX6JJYVNTWO5FBGB \
  | 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: 2162f770361e277f2538ab676774a1304b0eff3b369205d7ab49ae123b5f407f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "696fb527a6cb1e2b81091a208a5426f6a554392abaeecd1b3286d27e402f2cc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-02T22:04:15Z",
    "title_canon_sha256": "a01e55911b7b0ddf440a88794a0384e0bfed37392a9f82dcd0500097a5ce1776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00946",
    "kind": "arxiv",
    "version": 1
  }
}