Pith Number

pith:2PIYXIAC

pith:2015:2PIYXIACQX67HY3FL5ZIFTMYKM

not attested not anchored not stored refs pending

Macroblock Classification Method for Video Applications Involving Motions

Bing Zhou, Hongxiang Li, Ming-Ting Sun, Wei Li, Weiyao Lin, Zhenzhong Chen

arxiv:1503.00087 v1 · 2015-02-28 · cs.MM · 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{2PIYXIACQX67HY3FL5ZIFTMYKM}

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	2026-05-18T00:58:36.078979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d18ba00285fdf3e3655f7282cd9853263af2e81034403967a0331f35aff8f1

Aliases

arxiv: 1503.00087 · arxiv_version: 1503.00087v1 · doi: 10.48550/arxiv.1503.00087 · pith_short_12: 2PIYXIACQX67 · pith_short_16: 2PIYXIACQX67HY3F · pith_short_8: 2PIYXIAC

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/2PIYXIACQX67HY3FL5ZIFTMYKM \
  | 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: d3d18ba00285fdf3e3655f7282cd9853263af2e81034403967a0331f35aff8f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ed7c0bdc905c23ad9d4d1747ad4f76f8c2245ad2b346f5ff6269ccbb239bcd",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2015-02-28T07:14:01Z",
    "title_canon_sha256": "a65f7211da7086d4d5e610eb910600544d10fd8f63274ebbc77550e4f29ea81d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00087",
    "kind": "arxiv",
    "version": 1
  }
}