Pith Number

pith:4YD6WL54

pith:2018:4YD6WL54LCJUCWWQFLJL4ALDUN

not attested not anchored not stored refs pending

Efficient Hierarchical Graph-Based Segmentation of RGBD Videos

Henrik Christensen, Irfan Essa, Stan Birchfield, Steven Hickson

arxiv:1801.08981 v1 · 2018-01-26 · 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{4YD6WL54LCJUCWWQFLJL4ALDUN}

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	2026-05-18T00:24:58.948237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e607eb2fbc5893415ad02ad2be0163a35c07f8f10c904c7c1746454848e4420c

Aliases

arxiv: 1801.08981 · arxiv_version: 1801.08981v1 · doi: 10.48550/arxiv.1801.08981 · pith_short_12: 4YD6WL54LCJU · pith_short_16: 4YD6WL54LCJUCWWQ · pith_short_8: 4YD6WL54

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/4YD6WL54LCJUCWWQFLJL4ALDUN \
  | 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: e607eb2fbc5893415ad02ad2be0163a35c07f8f10c904c7c1746454848e4420c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f199a17cc15db622124ad2bf4d0f08c06ae67508bfe970c49b0f47142c4fd5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-26T21:21:25Z",
    "title_canon_sha256": "a3ce693461bd328fd9558d76fb15ebb7514d006d59f8e7dc0a4e84ba83459b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08981",
    "kind": "arxiv",
    "version": 1
  }
}