Pith Number

pith:SXJJ25PZ

pith:2016:SXJJ25PZPR5TTQVNTDOSMMHAPQ

not attested not anchored not stored refs pending

Fast computation of spectral projectors of banded matrices

Ana Susnjara, Daniel Kressner

arxiv:1608.01164 v1 · 2016-08-03 · 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{SXJJ25PZPR5TTQVNTDOSMMHAPQ}

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	2026-05-18T01:09:56.362199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d29d75f97c7b39c2ad98dd2630e07c1d2f6875b3620749030004334f3a7010

Aliases

arxiv: 1608.01164 · arxiv_version: 1608.01164v1 · doi: 10.48550/arxiv.1608.01164 · pith_short_12: SXJJ25PZPR5T · pith_short_16: SXJJ25PZPR5TTQVN · pith_short_8: SXJJ25PZ

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/SXJJ25PZPR5TTQVNTDOSMMHAPQ \
  | 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: 95d29d75f97c7b39c2ad98dd2630e07c1d2f6875b3620749030004334f3a7010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4660ab6bbb3b190402383563b46f66f4d8a4816cec4592df145348a2c26e0190",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-03T12:41:33Z",
    "title_canon_sha256": "fb1682fa1d9b5855ac37f4de2868cf89166161b5133ed9782fc1592e5eaffde2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01164",
    "kind": "arxiv",
    "version": 1
  }
}