Pith Number

pith:F2Y2PRVL

pith:2019:F2Y2PRVLO2P5U2HZCRPF4TYO2Z

not attested not anchored not stored refs pending

Handcrafted vs Deep Learning Classification for Scalable Video QoE Modeling

Christina Vlachou, Dasari Mallesham, Kyu-Han Kim, Pranjal Sahu, Samir R. Das, Shruti Sanadhya, Yang Qiu

arxiv:1901.03404 v1 · 2019-01-10 · cs.MM · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2Y2PRVLO2P5U2HZCRPF4TYO2Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:56:31.307012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb1a7c6ab769fda68f9145e5e4f0ed64ee6cb3a1fa21e1938b6394ef17c0277

Aliases

arxiv: 1901.03404 · arxiv_version: 1901.03404v1 · doi: 10.48550/arxiv.1901.03404 · pith_short_12: F2Y2PRVLO2P5 · pith_short_16: F2Y2PRVLO2P5U2HZ · pith_short_8: F2Y2PRVL

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/F2Y2PRVLO2P5U2HZCRPF4TYO2Z \
  | 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: 2eb1a7c6ab769fda68f9145e5e4f0ed64ee6cb3a1fa21e1938b6394ef17c0277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43fe7fc5c6eca4e3143cfedbe93c004df95cec4b3289ff131d6f2680a40990ad",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2019-01-10T21:33:19Z",
    "title_canon_sha256": "64ff254bb050f57ccfa7a6d386711a0f1b24e8efa7a2007b2f037edca4a866f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03404",
    "kind": "arxiv",
    "version": 1
  }
}