Pith Number

pith:WI2KEF2J

pith:2015:WI2KEF2JKDZ5B5KJS4QY55PHAW

not attested not anchored not stored refs pending

Finding Temporally Consistent Occlusion Boundaries in Videos using Geometric Context

Ahmad Humayun, David Anderson, Irfan Essa, Matthias Grundmann, S. Hussain Raza

arxiv:1510.07323 v1 · 2015-10-25 · cs.CV

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI2KEF2JKDZ5B5KJS4QY55PHAW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:58:10.190879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b234a2174950f3d0f54997218ef5e7059e3d999df7da9f021958aa5eb11fa7d2

Aliases

arxiv: 1510.07323 · arxiv_version: 1510.07323v1 · doi: 10.48550/arxiv.1510.07323 · pith_short_12: WI2KEF2JKDZ5 · pith_short_16: WI2KEF2JKDZ5B5KJ · pith_short_8: WI2KEF2J

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/WI2KEF2JKDZ5B5KJS4QY55PHAW \
  | 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: b234a2174950f3d0f54997218ef5e7059e3d999df7da9f021958aa5eb11fa7d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da13e1095c74cfb6bce02cc7b28d9ddcc1bc5eab682002dabb9fd527592e6ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-10-25T23:20:38Z",
    "title_canon_sha256": "44b4343022fd7300a781ce5c8be573a94df5bf3b63b4bf59726c478d0016a235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07323",
    "kind": "arxiv",
    "version": 1
  }
}