Pith Number

pith:7ZQ4NKFH

pith:2014:7ZQ4NKFHCPUO666OLZQP2ON3DC

not attested not anchored not stored refs pending

Extracting man-made objects from remote sensing images via fast level set evolutions

Qunming Wang, Wenzhong Shi, Zelang Miao, Zhongbin Li

arxiv:1409.7474 v1 · 2014-09-26 · 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{7ZQ4NKFHCPUO666OLZQP2ON3DC}

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	2026-05-18T01:29:05.123059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe61c6a8a713e8ef7bce5e60fd39bb1893d2ca372f2f96a4676133401207f6ab

Aliases

arxiv: 1409.7474 · arxiv_version: 1409.7474v1 · doi: 10.48550/arxiv.1409.7474 · pith_short_12: 7ZQ4NKFHCPUO · pith_short_16: 7ZQ4NKFHCPUO666O · pith_short_8: 7ZQ4NKFH

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/7ZQ4NKFHCPUO666OLZQP2ON3DC \
  | 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: fe61c6a8a713e8ef7bce5e60fd39bb1893d2ca372f2f96a4676133401207f6ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e53b8fc07a0ddc88ebd13d23dd64dc65d3ecfb280882c10969d94bdde84ebf85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-09-26T06:17:23Z",
    "title_canon_sha256": "87591d623ab8543a25bb7fc55818cfbe37e558b34841e284886d1c69bb00be9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7474",
    "kind": "arxiv",
    "version": 1
  }
}