Pith Number

pith:U5MOJVMJ

pith:2018:U5MOJVMJDSVFEQYS4LE2ZR5EWS

not attested not anchored not stored refs pending

Analysis of sparse recovery for Legendre expansions using envelope bound

Clayton Webster, Hoang Tran

arxiv:1810.02926 v1 · 2018-10-06 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5MOJVMJDSVFEQYS4LE2ZR5EWS}

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	2026-05-18T00:03:55.119261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a758e4d5891caa524312e2c9acc7a4b49b59e3081a74bfe2ae74071c9456809f

Aliases

arxiv: 1810.02926 · arxiv_version: 1810.02926v1 · doi: 10.48550/arxiv.1810.02926 · pith_short_12: U5MOJVMJDSVF · pith_short_16: U5MOJVMJDSVFEQYS · pith_short_8: U5MOJVMJ

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/U5MOJVMJDSVFEQYS4LE2ZR5EWS \
  | 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: a758e4d5891caa524312e2c9acc7a4b49b59e3081a74bfe2ae74071c9456809f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c76d22649ae5bd094ffc95d6d2fa34d1d50b81b76690707ee65f7e40550825",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-06T03:24:46Z",
    "title_canon_sha256": "b82258fecd0d78729f15c5ded6d558c3897b1fba1d3ddac412c6e35a8df02ba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02926",
    "kind": "arxiv",
    "version": 1
  }
}