Pith Number

pith:YYDI5GW5

pith:2014:YYDI5GW54HMYTW2K6ZLLG2ULSA

not attested not anchored not stored refs pending

On the optimality of shape and data representation in the spectral domain

Haim Brezis, Ron Kimmel, Yonathan Aflalo

arxiv:1409.4349 v1 · 2014-09-15 · 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{YYDI5GW54HMYTW2K6ZLLG2ULSA}

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	2026-05-18T02:42:47.024901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6068e9adde1d989db4af656b36a8b901cf5fc4302b5a66cea476aafa8c52e32

Aliases

arxiv: 1409.4349 · arxiv_version: 1409.4349v1 · doi: 10.48550/arxiv.1409.4349 · pith_short_12: YYDI5GW54HMY · pith_short_16: YYDI5GW54HMYTW2K · pith_short_8: YYDI5GW5

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/YYDI5GW54HMYTW2K6ZLLG2ULSA \
  | 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: c6068e9adde1d989db4af656b36a8b901cf5fc4302b5a66cea476aafa8c52e32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ed699ed21a6cffe362318f6db20341f4e3e6208543e765ec59cbc3228d91be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-09-15T17:50:26Z",
    "title_canon_sha256": "a3de3a967646ef8254ea9a50fcada4291b0015c29040df99609929e7fa2ec4d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4349",
    "kind": "arxiv",
    "version": 1
  }
}