Pith Number

pith:VJKZR27Q

pith:2018:VJKZR27QKBV3QSZ63RJPVWKDDR

not attested not anchored not stored refs pending

Low coherence unit norm tight frames

Jesse Oldroyd, Somantika Datta

arxiv:1803.05531 v2 · 2018-03-14 · cs.IT · math.FA · 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{VJKZR27QKBV3QSZ63RJPVWKDDR}

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	2026-05-18T00:19:02.162733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa5598ebf0506bb84b3edc52fad9431c5174fbae0356974765ae46e4e4b624c7

Aliases

arxiv: 1803.05531 · arxiv_version: 1803.05531v2 · doi: 10.48550/arxiv.1803.05531 · pith_short_12: VJKZR27QKBV3 · pith_short_16: VJKZR27QKBV3QSZ6 · pith_short_8: VJKZR27Q

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/VJKZR27QKBV3QSZ63RJPVWKDDR \
  | 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: aa5598ebf0506bb84b3edc52fad9431c5174fbae0356974765ae46e4e4b624c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558c4d27b5dd5c3f33619dedc5b02198e06c5d0ba288fe7de7d6dbe870699cac",
    "cross_cats_sorted": [
      "math.FA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-14T23:04:58Z",
    "title_canon_sha256": "c925f48b8595f65e664b50c821d152eec500e1d72cf287b755602be31925a21c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05531",
    "kind": "arxiv",
    "version": 2
  }
}