Pith Number

pith:RZZ5PBQ2

pith:2016:RZZ5PBQ2MPNXPILMVJ3QAKZ4UL

not attested not anchored not stored refs pending

Perceptually-Driven Video Coding with the Daala Video Codec

Christopher Montgomery, Guillaume Martres, Jean-Marc Valin, Nathan E. Egge, Thomas J. Daede, Timothy B. Terriberry, Tristan Matthews, Yushin Cho

arxiv:1610.02488 v1 · 2016-10-08 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZZ5PBQ2MPNXPILMVJ3QAKZ4UL}

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	2026-05-18T01:02:51.399857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e73d7861a63db77a16caa77002b3ca2f4358fe35252fe060f612d2d111bdca1

Aliases

arxiv: 1610.02488 · arxiv_version: 1610.02488v1 · doi: 10.48550/arxiv.1610.02488 · pith_short_12: RZZ5PBQ2MPNX · pith_short_16: RZZ5PBQ2MPNXPILM · pith_short_8: RZZ5PBQ2

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/RZZ5PBQ2MPNXPILMVJ3QAKZ4UL \
  | 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: 8e73d7861a63db77a16caa77002b3ca2f4358fe35252fe060f612d2d111bdca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcdb24ab542a9844b1f4f44a197a9f0f5006aa45add92417f72d1943e555b0c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-10-08T05:34:56Z",
    "title_canon_sha256": "62ed6360f39d137eb6e28b2c244d4078d70b857b83fae42b21dda56f25cc9687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02488",
    "kind": "arxiv",
    "version": 1
  }
}