Pith Number

pith:Q2OARJKH

pith:2013:Q2OARJKHERLJ3FGKA6WR7LI7AR

not attested not anchored not stored refs pending

Robust Image Segmentation in Low Depth Of Field Images

Franz Graf, Hans-Peter Kriegel, Michael Weiler

arxiv:1302.3900 v1 · 2013-02-15 · 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{Q2OARJKHERLJ3FGKA6WR7LI7AR}

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	2026-05-18T03:33:24.932924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869c08a54724569d94ca07ad1fad1f0450199fa61221cbc9d313b2341dc335d7

Aliases

arxiv: 1302.3900 · arxiv_version: 1302.3900v1 · doi: 10.48550/arxiv.1302.3900 · pith_short_12: Q2OARJKHERLJ · pith_short_16: Q2OARJKHERLJ3FGK · pith_short_8: Q2OARJKH

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/Q2OARJKHERLJ3FGKA6WR7LI7AR \
  | 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: 869c08a54724569d94ca07ad1fad1f0450199fa61221cbc9d313b2341dc335d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc6e0ccf3954d4fc3c6d794a09848127d3c0784e3df72f7b9f5edf29977a5ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-02-15T21:49:26Z",
    "title_canon_sha256": "01b249c00c109f1e3de3bb480d295adac733b01b732beb8ea01cc60fa91ce2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3900",
    "kind": "arxiv",
    "version": 1
  }
}