pith. sign in
Pith Number

pith:P5GTTOHJ

pith:2017:P5GTTOHJI7SBGZFXYM77VRDON2
not attested not anchored not stored refs pending

Enhancing Quality for HEVC Compressed Videos

Mai Xu, Ren Yang, Tie Liu, Zhenyu Guan, Zulin Wang

arxiv:1709.06734 v2 · 2017-09-20 · cs.MM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P5GTTOHJI7SBGZFXYM77VRDON2}

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 2026-05-18T00:03:50.049468Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7f4d39b8e947e41364b7c33ffac46e6e925d70ee6c0c5bf5aa3e2189c1f32213

Aliases

arxiv: 1709.06734 · arxiv_version: 1709.06734v2 · doi: 10.48550/arxiv.1709.06734 · pith_short_12: P5GTTOHJI7SB · pith_short_16: P5GTTOHJI7SBGZFX · pith_short_8: P5GTTOHJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P5GTTOHJI7SBGZFXYM77VRDON2 \
  | 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: 7f4d39b8e947e41364b7c33ffac46e6e925d70ee6c0c5bf5aa3e2189c1f32213
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8b10e3a9e0ef3ae21e61cede2c6cc325da2b9d9c90e1f910ce6c668dcd5c6c61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-09-20T06:36:14Z",
    "title_canon_sha256": "3f090d6ea0d961b3d370f549a4b3bdbafcd68fa42ece1502b8312e4e6b926448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06734",
    "kind": "arxiv",
    "version": 2
  }
}