Pith Number

pith:JDBGUUPU

pith:2007:JDBGUUPULXNUUWX3IGFHHJMTPO

not attested not anchored not stored refs pending

Recovery of edges from spectral data with noise -- a new perspective

Eitan Tadmor, Shlomo Engelberg

arxiv:0704.3822 v1 · 2007-04-28 · math.NA · cs.NA · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDBGUUPULXNUUWX3IGFHHJMTPO}

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	2026-06-03T22:06:00.629393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48c26a51f45ddb4a5afb418a73a5937bacd43e5915f4396f4849b47f621f30e2

Aliases

arxiv: 0704.3822 · arxiv_version: 0704.3822v1 · doi: 10.48550/arxiv.0704.3822 · pith_short_12: JDBGUUPULXNU · pith_short_16: JDBGUUPULXNUUWX3 · pith_short_8: JDBGUUPU

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/JDBGUUPULXNUUWX3IGFHHJMTPO \
  | 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: 48c26a51f45ddb4a5afb418a73a5937bacd43e5915f4396f4849b47f621f30e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3ff37ec634a7e710ef7b363d26abd32d3e82ad404b80327a08d3a1a351a2a7",
    "cross_cats_sorted": [
      "cs.NA",
      "math.ST",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-04-28T23:37:58Z",
    "title_canon_sha256": "7ff652f37c059076065b1f654a1fa257d1f2040eca22c055ab1b01630461d036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3822",
    "kind": "arxiv",
    "version": 1
  }
}