Pith Number

pith:6A4AG5AC

pith:2015:6A4AG5ACDWA7AYCGVY3EZBWVQN

not attested not anchored not stored refs pending

Keypoint Encoding for Improved Feature Extraction from Compressed Video at Low Bitrates

Eckehard Steinbach, Jianshu Chao

arxiv:1506.08316 v2 · 2015-06-27 · cs.MM · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6A4AG5ACDWA7AYCGVY3EZBWVQN}

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	2026-05-18T01:19:38.704884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0380374021d81f06046ae364c86d58344e3f2797d1908a5b630cfc3b97c1407

Aliases

arxiv: 1506.08316 · arxiv_version: 1506.08316v2 · doi: 10.48550/arxiv.1506.08316 · pith_short_12: 6A4AG5ACDWA7 · pith_short_16: 6A4AG5ACDWA7AYCG · pith_short_8: 6A4AG5AC

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/6A4AG5ACDWA7AYCGVY3EZBWVQN \
  | 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: f0380374021d81f06046ae364c86d58344e3f2797d1908a5b630cfc3b97c1407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ca9f7a30bdae865c31597f433cda10e903edbde080b13883257aac48efdd19",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2015-06-27T17:33:34Z",
    "title_canon_sha256": "76f401dae7923a379a198424872502a705019ecceb04da1030c573da265e4c0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08316",
    "kind": "arxiv",
    "version": 2
  }
}