Pith Number

pith:EN3NG4TH

pith:2018:EN3NG4THUGUCSLF4XIE6J5EDXW

not attested not anchored not stored refs pending

In Praise of Artifice Reloaded: Caution with subjective image quality databases

Jes\'us Malo, Marcelo Bertalm\'io, Marina Martinez-Garcia

arxiv:1801.09632 v1 · 2018-01-29 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EN3NG4THUGUCSLF4XIE6J5EDXW}

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	2026-05-18T00:24:56.850564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2376d37267a1a8292cbcba09e4f483bd931f9dd9468a5f0aac74943177648dd5

Aliases

arxiv: 1801.09632 · arxiv_version: 1801.09632v1 · doi: 10.48550/arxiv.1801.09632 · pith_short_12: EN3NG4THUGUC · pith_short_16: EN3NG4THUGUCSLF4 · pith_short_8: EN3NG4TH

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/EN3NG4THUGUCSLF4XIE6J5EDXW \
  | 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: 2376d37267a1a8292cbcba09e4f483bd931f9dd9468a5f0aac74943177648dd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6df705a023f518e06809b7c58ccb2808853a2da2289232f989929c7298947f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-01-29T17:17:45Z",
    "title_canon_sha256": "d64d3343000bc45a4d82cba2a1ba95eac8ae72b6bc802a5d039e1eb2e433fd69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09632",
    "kind": "arxiv",
    "version": 1
  }
}