Pith Number

pith:FUO34VSK

pith:2017:FUO34VSKR7MXO66AH4SEZVGLC3

not attested not anchored not stored refs pending

Construction of Structured Incoherent Unit Norm Tight Frames

C. S. Sastry, Phanindra Jampana, Pradip Sasmal

arxiv:1707.00261 v1 · 2017-07-02 · 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{FUO34VSKR7MXO66AH4SEZVGLC3}

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	2026-05-18T00:41:03.915593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d1dbe564a8fd9777bc03f244cd4cb16d662c7a3c0c8b6790b1c4d4e4c476750

Aliases

arxiv: 1707.00261 · arxiv_version: 1707.00261v1 · doi: 10.48550/arxiv.1707.00261 · pith_short_12: FUO34VSKR7MX · pith_short_16: FUO34VSKR7MXO66A · pith_short_8: FUO34VSK

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/FUO34VSKR7MXO66AH4SEZVGLC3 \
  | 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: 2d1dbe564a8fd9777bc03f244cd4cb16d662c7a3c0c8b6790b1c4d4e4c476750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77adf0a5164efc33f3d441b16e4f49a46d27fcde6338497ebb1d54b51ce85d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-02T08:40:03Z",
    "title_canon_sha256": "570f17ec214b1a9c7e21bc0c12ac66f2c3ab725df652cd76a9617718e9cbd530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00261",
    "kind": "arxiv",
    "version": 1
  }
}