Pith Number

pith:BOQ5URTH

pith:2014:BOQ5URTHKWVTZQRUJTJD6JPT7E

not attested not anchored not stored refs pending

Krylov Subspace Methods in Dynamical Sampling

Akram Aldroubi, Ilya Krishtal

arxiv:1412.1538 v1 · 2014-12-04 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOQ5URTHKWVTZQRUJTJD6JPT7E}

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	2026-05-18T00:13:48.663101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba1da466755ab3cc2344cd23f25f3f92bf20af670bd821f41a80984fae18626

Aliases

arxiv: 1412.1538 · arxiv_version: 1412.1538v1 · doi: 10.48550/arxiv.1412.1538 · pith_short_12: BOQ5URTHKWVT · pith_short_16: BOQ5URTHKWVTZQRU · pith_short_8: BOQ5URTH

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/BOQ5URTHKWVTZQRUJTJD6JPT7E \
  | 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: 0ba1da466755ab3cc2344cd23f25f3f92bf20af670bd821f41a80984fae18626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53f84738a52bdd0aabda1d27f54bec150d32a589f45f7ee2fbfcc41ac07833ba",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-12-04T02:04:46Z",
    "title_canon_sha256": "40eaca4bb0db1d52554b912935a7fcc7218c8d122879bf07e60e181482db643a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1538",
    "kind": "arxiv",
    "version": 1
  }
}