Pith Number

pith:G6NVQXAC

pith:2012:G6NVQXACESSOHDEP3UUIFRAQW2

not attested not anchored not stored refs pending

Morphological Filtering in Shape Spaces: Applications using Tree-Based Image Representations

Laurent Najman, Thierry G\'eraud, Yongchao Xu

arxiv:1204.4758 v2 · 2012-04-20 · cs.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6NVQXACESSOHDEP3UUIFRAQW2}

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	2026-05-18T03:51:00.216941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

379b585c0224a4e38c8fdd2882c410b6a90446e1e48ab4a188864496791579ea

Aliases

arxiv: 1204.4758 · arxiv_version: 1204.4758v2 · doi: 10.48550/arxiv.1204.4758 · pith_short_12: G6NVQXACESSO · pith_short_16: G6NVQXACESSOHDEP · pith_short_8: G6NVQXAC

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/G6NVQXACESSOHDEP3UUIFRAQW2 \
  | 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: 379b585c0224a4e38c8fdd2882c410b6a90446e1e48ab4a188864496791579ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a20afa40f91d19dcc49583bb37fec0a21762d2587d32fb53c6293dd70ebb73",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-04-20T22:23:11Z",
    "title_canon_sha256": "3700b059bbab37b8c9cbb8d409dd6aa631b42a86d079a0e87c3b838ee56dda9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4758",
    "kind": "arxiv",
    "version": 2
  }
}