Pith Number

pith:53IJAD4T

pith:2016:53IJAD4T3WNBUSJLV6M6XY53R7

not attested not anchored not stored refs pending

A modified block Lanczos algorithm with fewer vectors

Emmanuel Thom\'e (CARAMBA)

arxiv:1604.02277 v1 · 2016-04-08 · cs.CR · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53IJAD4T3WNBUSJLV6M6XY53R7}

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	2026-05-18T01:17:27.987857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed0900f93dd9a1a492baf99ebe3bb8fdc240507bf80fdf969418bb157c3b7a4

Aliases

arxiv: 1604.02277 · arxiv_version: 1604.02277v1 · doi: 10.48550/arxiv.1604.02277 · pith_short_12: 53IJAD4T3WNB · pith_short_16: 53IJAD4T3WNBUSJL · pith_short_8: 53IJAD4T

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/53IJAD4T3WNBUSJLV6M6XY53R7 \
  | 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: eed0900f93dd9a1a492baf99ebe3bb8fdc240507bf80fdf969418bb157c3b7a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750f44265eaaf4479e02621a11c1ac187495eeb2af804c70d6f216f7ba645071",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-04-08T08:49:24Z",
    "title_canon_sha256": "f6de41f4ecca83aa8aa489ac7ecab3adaca0ab116461943224500d3efc0f6bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02277",
    "kind": "arxiv",
    "version": 1
  }
}