Pith Number

pith:VLLN4XTI

pith:2019:VLLN4XTIBEJQYMJB4X33LNRHDG

not attested not anchored not stored refs pending

From Patches to Pictures (PaQ-2-PiQ): Mapping the Perceptual Space of Picture Quality

Alan Bovik, Deepti Ghadiyaram, Dhruv Mahajan, Haoran Niu, Praful Gupta, Zhenqiang Ying

arxiv:1912.10088 v1 · 2019-12-20 · cs.CV · cs.MM · 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{VLLN4XTIBEJQYMJB4X33LNRHDG}

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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.

Cited by

1 paper in Pith

SR-Ground: Image Quality Grounding for Super-Resolved Content

Receipt and verification

First computed	2026-07-05T00:27:46.802621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aad6de5e6809130c3121e5f7b5b627199b718eca155277c68b0438c8645bfe95

Aliases

arxiv: 1912.10088 · arxiv_version: 1912.10088v1 · doi: 10.48550/arxiv.1912.10088 · pith_short_12: VLLN4XTIBEJQ · pith_short_16: VLLN4XTIBEJQYMJB · pith_short_8: VLLN4XTI

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/VLLN4XTIBEJQYMJB4X33LNRHDG \
  | 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: aad6de5e6809130c3121e5f7b5b627199b718eca155277c68b0438c8645bfe95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21af664f281eab3d8a8e2b24499bb8fe2d22a821918d61e9eed7e1fdeadc4c2",
    "cross_cats_sorted": [
      "cs.MM",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-20T20:22:55Z",
    "title_canon_sha256": "27dfbd899d2e5e243cbc52626f55cc5b6f2af2c8518d5d42b98ef2a4f9435b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10088",
    "kind": "arxiv",
    "version": 1
  }
}