Pith Number

pith:NDX6SPUG

pith:2018:NDX6SPUG4BA4HX5V7XEY2JHY2O

not attested not anchored not stored refs pending

Image edges resolved well when using an overcomplete piecewise-polynomial model

Michaela Novosadov\'a, Pavel Rajmic

arxiv:1810.06469 v1 · 2018-10-15 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDX6SPUG4BA4HX5V7XEY2JHY2O}

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	2026-05-18T00:03:20.404152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68efe93e86e041c3dfb5fdc98d24f8d3862fe4477ede4d89760806ef8e299348

Aliases

arxiv: 1810.06469 · arxiv_version: 1810.06469v1 · doi: 10.48550/arxiv.1810.06469 · pith_short_12: NDX6SPUG4BA4 · pith_short_16: NDX6SPUG4BA4HX5V · pith_short_8: NDX6SPUG

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/NDX6SPUG4BA4HX5V7XEY2JHY2O \
  | 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: 68efe93e86e041c3dfb5fdc98d24f8d3862fe4477ede4d89760806ef8e299348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a60d30a3e08b5d30fc6bff6101425d00c555314c0d2d19a30fdce09674b313d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-10-15T15:39:39Z",
    "title_canon_sha256": "422f34bab1b34562eb19ce2681594a5aa6bb5937a171c4f6dc705f308b6c936d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06469",
    "kind": "arxiv",
    "version": 1
  }
}