Pith Number

pith:ZUU5B4XG

pith:2016:ZUU5B4XGFCX6C52FHNGFVPYZDC

not attested not anchored not stored refs pending

Minimizing Compression Artifacts for High Resolutions with Adaptive Quantization Matrices for HEVC

Lee Prangnell, Victor Sanchez

arxiv:1609.06442 v1 · 2016-09-21 · cs.MM

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

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	2026-05-18T01:04:08.293984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd29d0f2e628afe177453b4c5abf191881993db0fb016cc62c19d44aead5511c

Aliases

arxiv: 1609.06442 · arxiv_version: 1609.06442v1 · doi: 10.48550/arxiv.1609.06442 · pith_short_12: ZUU5B4XGFCX6 · pith_short_16: ZUU5B4XGFCX6C52F · pith_short_8: ZUU5B4XG

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/ZUU5B4XGFCX6C52FHNGFVPYZDC \
  | 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: cd29d0f2e628afe177453b4c5abf191881993db0fb016cc62c19d44aead5511c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e89911d60fdbc609bd2ffca04f685dcdd5c424fb63bfa289fb51534216d1500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-09-21T07:30:18Z",
    "title_canon_sha256": "55ff64bc4ccf811869fb8fb9295d333367a5678d1636fc6a709bcdd517826329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06442",
    "kind": "arxiv",
    "version": 1
  }
}