Pith Number

pith:WN6XC2FH

pith:2023:WN6XC2FHXHOREND3KMMXLUVUB5

not attested not anchored not stored refs pending

CSP: Self-Supervised Contrastive Spatial Pre-Training for Geospatial-Visual Representations

Gengchen Mai, Jiaming Song, Ni Lao, Stefano Ermon, Yutong He

arxiv:2305.01118 v2 · 2023-05-01 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WN6XC2FHXHOREND3KMMXLUVUB5}

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	2026-07-05T06:08:27.981780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b37d7168a7b9dd12347b531975d2b40f673f06241f36a72fc50e695353920bc8

Aliases

arxiv: 2305.01118 · arxiv_version: 2305.01118v2 · doi: 10.48550/arxiv.2305.01118 · pith_short_12: WN6XC2FHXHOR · pith_short_16: WN6XC2FHXHOREND3 · pith_short_8: WN6XC2FH

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/WN6XC2FHXHOREND3KMMXLUVUB5 \
  | 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: b37d7168a7b9dd12347b531975d2b40f673f06241f36a72fc50e695353920bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de5aed05e96c6492349acaf19f8a2551c8fb1f1062bb87351afc1a2da7507c3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-05-01T23:11:18Z",
    "title_canon_sha256": "6ef0b5d129a11e2e995ac975b7a9b1050239d2c7a953507179d9c15335cb0bfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01118",
    "kind": "arxiv",
    "version": 2
  }
}