Pith Number

pith:XAOLA5BT

pith:2015:XAOLA5BTZWO6TUXKXUMRK3XAQI

not attested not anchored not stored refs pending

Sub-Riemannian mean curvature flow for image processing

Alessandro Sarti, Benedetta Franceschiello, Giovanna Citti, Gonzalo Sanguinetti

arxiv:1504.03710 v1 · 2015-04-14 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAOLA5BTZWO6TUXKXUMRK3XAQI}

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	2026-05-18T02:18:42.334246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b81cb07433cd9de9d2eabd19156ee082247386e8845e4e58b9f978163b9b0ca3

Aliases

arxiv: 1504.03710 · arxiv_version: 1504.03710v1 · doi: 10.48550/arxiv.1504.03710 · pith_short_12: XAOLA5BTZWO6 · pith_short_16: XAOLA5BTZWO6TUXK · pith_short_8: XAOLA5BT

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/XAOLA5BTZWO6TUXKXUMRK3XAQI \
  | 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: b81cb07433cd9de9d2eabd19156ee082247386e8845e4e58b9f978163b9b0ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fedf52c7fc675a8de9c7a018a15d58ff52213cdff73b46fc7bf65a1df9f2c73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-04-14T20:32:42Z",
    "title_canon_sha256": "54b103960333795e149cea008a1fca2eac94c16256069a3700b8fa473651bd60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03710",
    "kind": "arxiv",
    "version": 1
  }
}