Pith Number

pith:BBEQ2IDT

pith:2021:BBEQ2IDTMIUKRGNHTHNDTZXBOI

not attested not anchored not stored refs pending

High-resolution land cover change from low-resolution labels: Simple baselines for the 2021 IEEE GRSS Data Fusion Contest

Caleb Robinson, Nebojsa Jojic, Nikolay Malkin

arxiv:2101.01154 v1 · 2021-01-04 · 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{BBEQ2IDTMIUKRGNHTHNDTZXBOI}

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	2026-07-05T02:04:25.234950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08490d20736228a899a799da39e6e172310610ab0b73fe3d46aaa709a684b018

Aliases

arxiv: 2101.01154 · arxiv_version: 2101.01154v1 · doi: 10.48550/arxiv.2101.01154 · pith_short_12: BBEQ2IDTMIUK · pith_short_16: BBEQ2IDTMIUKRGNH · pith_short_8: BBEQ2IDT

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/BBEQ2IDTMIUKRGNHTHNDTZXBOI \
  | 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: 08490d20736228a899a799da39e6e172310610ab0b73fe3d46aaa709a684b018

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8705446f2a4f076fc7346ebcfdacb5291f8e880a9da74abbba77ceb693d9da3c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-04T18:33:47Z",
    "title_canon_sha256": "1f5459ab41a9a679a6584ddf5332507aef003b1f3f7f080d966f27c0c97e8ba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.01154",
    "kind": "arxiv",
    "version": 1
  }
}