Pith Number

pith:SRYM3ZIY

pith:2014:SRYM3ZIYRTFQIN34BCH3VMJAVH

not attested not anchored not stored refs pending

On harmonic analysis of vector-valued signals

Stephen J. Sangwine

arxiv:1404.2492 v2 · 2014-04-09 · 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{SRYM3ZIYRTFQIN34BCH3VMJAVH}

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	2026-05-18T00:53:35.253895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9470cde5188ccb04377c088fbab120a9c639df047780b3911fa31c8fe3396e20

Aliases

arxiv: 1404.2492 · arxiv_version: 1404.2492v2 · doi: 10.48550/arxiv.1404.2492 · pith_short_12: SRYM3ZIYRTFQ · pith_short_16: SRYM3ZIYRTFQIN34 · pith_short_8: SRYM3ZIY

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/SRYM3ZIYRTFQIN34BCH3VMJAVH \
  | 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: 9470cde5188ccb04377c088fbab120a9c639df047780b3911fa31c8fe3396e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799614fcdd535f24bcef1cf1f6760f7ddc28ea188a9d7c9d74ac40d32ff5829c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-09T13:59:16Z",
    "title_canon_sha256": "3b93c39bff538e855fc084bd7bd5caa2657231654dd0c7f49e4abe7c769371f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2492",
    "kind": "arxiv",
    "version": 2
  }
}