Pith Number

pith:C2U36H27

pith:2019:C2U36H27DGS32T5OKCKZFHBS3I

not attested not anchored not stored refs pending

Material Segmentation of Multi-View Satellite Imagery

Bo Xu, Dan Lipsa, Jia Xue, Jie Shan, Kristin Dana, Matthew Leotta, Matthew Purri, Zhixin Li

arxiv:1904.08537 v1 · 2019-04-17 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2U36H27DGS32T5OKCKZFHBS3I}

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	2026-05-17T23:48:13.904307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a9bf1f5f19a5bd4fae5095929c32da2aab1167d89f98fce45a5f10cf357681

Aliases

arxiv: 1904.08537 · arxiv_version: 1904.08537v1 · doi: 10.48550/arxiv.1904.08537 · pith_short_12: C2U36H27DGS3 · pith_short_16: C2U36H27DGS32T5O · pith_short_8: C2U36H27

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/C2U36H27DGS32T5OKCKZFHBS3I \
  | 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: 16a9bf1f5f19a5bd4fae5095929c32da2aab1167d89f98fce45a5f10cf357681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fba33e14e3b13a6e0a849d30ed9b75529dc9b92f0fb8495b236252b6565e757",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-17T23:52:20Z",
    "title_canon_sha256": "a9a42f78ee51868df73b2342cb00ba579d382ebaab261d1553bb87b2b6c0f8a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08537",
    "kind": "arxiv",
    "version": 1
  }
}