Pith Number

pith:HBCU2YKC

pith:2021:HBCU2YKCIIQEMRLP5SBKJ5F32R

not attested not anchored not stored refs pending

Efficient Bitrate Ladder Construction for Content-Optimized Adaptive Video Streaming

Angeliki V. Katsenou, David R. Bull, Joel Sole

arxiv:2102.04550 v1 · 2021-02-08 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBCU2YKCIIQEMRLP5SBKJ5F32R}

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	2026-07-05T03:27:28.925032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38454d6142422046456fec82a4f4bbd44ac20b5f90ca381624abe71889a7b376

Aliases

arxiv: 2102.04550 · arxiv_version: 2102.04550v1 · doi: 10.48550/arxiv.2102.04550 · pith_short_12: HBCU2YKCIIQE · pith_short_16: HBCU2YKCIIQEMRLP · pith_short_8: HBCU2YKC

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/HBCU2YKCIIQEMRLP5SBKJ5F32R \
  | 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: 38454d6142422046456fec82a4f4bbd44ac20b5f90ca381624abe71889a7b376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412d8011cf65b40a9ff3ed255a62416e76203fb942c494c93abfb37d7d9442c9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-02-08T22:02:06Z",
    "title_canon_sha256": "c29d544b28004f91f7d27a5c133f58c09e6468ee95b36d5d68b22f44789ba8ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04550",
    "kind": "arxiv",
    "version": 1
  }
}