Pith Number

pith:BAVQLUJY

pith:2014:BAVQLUJY7KJRUL32JFERVQEGRN

not attested not anchored not stored refs pending

A practical framework for infinite-dimensional linear algebra

Alex Townsend, Sheehan Olver

arxiv:1409.5529 v1 · 2014-09-19 · 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{BAVQLUJY7KJRUL32JFERVQEGRN}

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	2026-05-18T02:42:27.171213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

082b05d138fa931a2f7a49491ac0868b43bd5548826b484815a1aa4abc7cfe4f

Aliases

arxiv: 1409.5529 · arxiv_version: 1409.5529v1 · doi: 10.48550/arxiv.1409.5529 · pith_short_12: BAVQLUJY7KJR · pith_short_16: BAVQLUJY7KJRUL32 · pith_short_8: BAVQLUJY

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/BAVQLUJY7KJRUL32JFERVQEGRN \
  | 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: 082b05d138fa931a2f7a49491ac0868b43bd5548826b484815a1aa4abc7cfe4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94a22221cac39ecf5693d905e4c493c0744b01251a0934bc114df669aaea03b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-19T06:38:28Z",
    "title_canon_sha256": "183b49616bd69da569c1e3bcaa1695955afb67657d141e5a1deec3b3a546c277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5529",
    "kind": "arxiv",
    "version": 1
  }
}