Pith Number

pith:R4ASEM2G

pith:2019:R4ASEM2GA3X3Q7YMETJRIPHQDF

not attested not anchored not stored refs pending

Understanding urban landuse from the above and ground perspectives: a deep learning, multimodal solution

Devis Tuia, John E. Vargas-Mu\~noz, Shivangi Srivastava

arxiv:1905.01752 v1 · 2019-05-05 · 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{R4ASEM2GA3X3Q7YMETJRIPHQDF}

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	2026-05-17T23:46:57.533952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0122334606efb87f0c24d3143cf0195305f3feba9be8d898c2ca0fc3c47ce0

Aliases

arxiv: 1905.01752 · arxiv_version: 1905.01752v1 · doi: 10.48550/arxiv.1905.01752 · pith_short_12: R4ASEM2GA3X3 · pith_short_16: R4ASEM2GA3X3Q7YM · pith_short_8: R4ASEM2G

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/R4ASEM2GA3X3Q7YMETJRIPHQDF \
  | 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: 8f0122334606efb87f0c24d3143cf0195305f3feba9be8d898c2ca0fc3c47ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9d70424e4c308d255c2df4a1df588688fbfe7bed2d6f0f0ae9748fbea146ee7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-05T21:36:59Z",
    "title_canon_sha256": "af41234571fe7984e384b413143ea9d899f55359ae3039fd4a65c6491622b945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01752",
    "kind": "arxiv",
    "version": 1
  }
}