Pith Number

pith:AQHC3CXB

pith:2021:AQHC3CXBURCQTY5Q2ZVYKTAYGF

not attested not anchored not stored refs pending

Direct Estimation of Appearance Models for Segmentation

Jeova F. S. Rocha Neto, Marilyn Vazquez, Pedro Felzenszwalb

arxiv:2102.11121 v3 · 2021-02-22 · 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{AQHC3CXBURCQTY5Q2ZVYKTAYGF}

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	2026-07-05T03:14:45.542494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040e2d8ae1a44509e3b0d66b854c183170ecfd2aa7b63697000d7ebc2422d23f

Aliases

arxiv: 2102.11121 · arxiv_version: 2102.11121v3 · doi: 10.48550/arxiv.2102.11121 · pith_short_12: AQHC3CXBURCQ · pith_short_16: AQHC3CXBURCQTY5Q · pith_short_8: AQHC3CXB

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/AQHC3CXBURCQTY5Q2ZVYKTAYGF \
  | 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: 040e2d8ae1a44509e3b0d66b854c183170ecfd2aa7b63697000d7ebc2422d23f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df2cbe504425cc9a1f91f3a3ed698edc7d2ecf1d993629786aba74dcc8c2425",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-02-22T15:50:39Z",
    "title_canon_sha256": "5a348df8e543c6d8bcf6692bd280bef148e75090ac75de29de32e1b49b2d58d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11121",
    "kind": "arxiv",
    "version": 3
  }
}