Pith Number

pith:UDS3EJ3Q

pith:2018:UDS3EJ3Q37L76TQMGDPR726KZC

not attested not anchored not stored refs pending

Towards a Semantic Perceptual Image Metric

Charles Rosenberg, Chunhui Gu, David Minnen, George Toderici, Johannes Ball\'e, Nick Johnston, Sean O'Malley, Sergey Ioffe, Sung Jin Hwang, Thomas Leung, Troy Chinen

arxiv:1808.00447 v1 · 2018-08-01 · 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{UDS3EJ3Q37L76TQMGDPR726KZC}

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	2026-05-18T00:09:06.099482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e5b22770dfd7ff4e0c30df1febcac8b982909e4dad0169785b6020371a995f

Aliases

arxiv: 1808.00447 · arxiv_version: 1808.00447v1 · doi: 10.48550/arxiv.1808.00447 · pith_short_12: UDS3EJ3Q37L7 · pith_short_16: UDS3EJ3Q37L76TQM · pith_short_8: UDS3EJ3Q

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/UDS3EJ3Q37L76TQMGDPR726KZC \
  | 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: a0e5b22770dfd7ff4e0c30df1febcac8b982909e4dad0169785b6020371a995f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4017346ac800462ed52d6f61f9aae6311cf369d690be15be4012a2b542d46331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-01T17:58:23Z",
    "title_canon_sha256": "58bdd6cd887b514a76aabb24aca082e29d1d1b929f5278a16eba0072d60e4a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00447",
    "kind": "arxiv",
    "version": 1
  }
}