Pith Number

pith:SWLQPPHN

pith:2018:SWLQPPHNFCEHE7WRIN5QTQELF5

not attested not anchored not stored refs pending

PieAPP: Perceptual Image-Error Assessment through Pairwise Preference

Ekta Prashnani, Hong Cai, Pradeep Sen, Yasamin Mostofi

arxiv:1806.02067 v1 · 2018-06-06 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWLQPPHNFCEHE7WRIN5QTQELF5}

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	2026-05-18T00:14:02.790870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

959707bced2888727ed1437b09c08b2f788b4c1f7484946ea7acacdf8a81e4c2

Aliases

arxiv: 1806.02067 · arxiv_version: 1806.02067v1 · doi: 10.48550/arxiv.1806.02067 · pith_short_12: SWLQPPHNFCEH · pith_short_16: SWLQPPHNFCEHE7WR · pith_short_8: SWLQPPHN

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/SWLQPPHNFCEHE7WRIN5QTQELF5 \
  | 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: 959707bced2888727ed1437b09c08b2f788b4c1f7484946ea7acacdf8a81e4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7639986d16636198bc99aa93dacd47bdfaf6430bb5548d09e85adb15b6224653",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-06T08:50:53Z",
    "title_canon_sha256": "50f7729be6ee65baf43745b6b37956f2660ba5fc0a96556df14abf861405b81f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02067",
    "kind": "arxiv",
    "version": 1
  }
}