Pith Number

pith:YOWTS5WJ

pith:2016:YOWTS5WJ35JONBCB4NAYSRBNX5

not attested not anchored not stored refs pending

Daala: A Perceptually-Driven Still Picture Codec

Christopher Montgomery, Jean-Marc Valin, Nathan E. Egge, Thomas Daede, Timothy B. Terriberry

arxiv:1605.04930 v1 · 2016-05-16 · 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{YOWTS5WJ35JONBCB4NAYSRBNX5}

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	2026-05-18T01:14:37.998230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ad3976c9df52e68441e34189442dbf60f4616a2aaaec531208356ad94a55b5

Aliases

arxiv: 1605.04930 · arxiv_version: 1605.04930v1 · doi: 10.48550/arxiv.1605.04930 · pith_short_12: YOWTS5WJ35JO · pith_short_16: YOWTS5WJ35JONBCB · pith_short_8: YOWTS5WJ

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/YOWTS5WJ35JONBCB4NAYSRBNX5 \
  | 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: c3ad3976c9df52e68441e34189442dbf60f4616a2aaaec531208356ad94a55b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3943be1fbecff7266497259c854200235b52b92d78e7a8e5e1bd96d95dc9e795",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-05-16T20:12:02Z",
    "title_canon_sha256": "6362629b48b2504c035a64194bad16db9a13617118c3cd5e41caed61e8133a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04930",
    "kind": "arxiv",
    "version": 1
  }
}