Pith Number

pith:5XEY2ZEV

pith:2021:5XEY2ZEVZYDQYSGEU4HZ2GDFI2

not attested not anchored not stored refs pending

A deep perceptual metric for 3D point clouds

Aladine Chetouani, Frederic Dufaux, Giuseppe Valenzise, Maurice Quach

arxiv:2102.12839 v1 · 2021-02-25 · cs.CV · cs.LG · eess.IV · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XEY2ZEVZYDQYSGEU4HZ2GDFI2}

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	2026-07-05T02:18:24.058670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc98d6495ce070c48c4a70f9d1865468aa9835caed3be94ae28148dd36eb7bd

Aliases

arxiv: 2102.12839 · arxiv_version: 2102.12839v1 · doi: 10.48550/arxiv.2102.12839 · pith_short_12: 5XEY2ZEVZYDQ · pith_short_16: 5XEY2ZEVZYDQYSGE · pith_short_8: 5XEY2ZEV

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/5XEY2ZEVZYDQYSGEU4HZ2GDFI2 \
  | 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: edc98d6495ce070c48c4a70f9d1865468aa9835caed3be94ae28148dd36eb7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb7af1c966c25d878578003143ec2c6085c16bbd32838ebbd01b943f6452560d",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-02-25T13:24:59Z",
    "title_canon_sha256": "9d1bf090c397f81a09a440d21ad4910b32c844e44ddf29c48edacf18254c6a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12839",
    "kind": "arxiv",
    "version": 1
  }
}