Pith Number

pith:4S7UJCIK

pith:2011:4S7UJCIKKPBJRSEO2KJDYKTRSA

not attested not anchored not stored refs pending

Robust dual reconstruction systems and fusion frames

Demetrio Stojanoff, Mariano Ruiz, Pedro Massey

arxiv:1112.1654 v1 · 2011-12-07 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4S7UJCIKKPBJRSEO2KJDYKTRSA}

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	2026-05-18T04:06:46.593178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bf44890a53c298c88ed2923c2a71903f2430b7965733b0c47fa6a7573b4f2c

Aliases

arxiv: 1112.1654 · arxiv_version: 1112.1654v1 · doi: 10.48550/arxiv.1112.1654 · pith_short_12: 4S7UJCIKKPBJ · pith_short_16: 4S7UJCIKKPBJRSEO · pith_short_8: 4S7UJCIK

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/4S7UJCIKKPBJRSEO2KJDYKTRSA \
  | 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: e4bf44890a53c298c88ed2923c2a71903f2430b7965733b0c47fa6a7573b4f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff1fad514eafef33e687b69c99c402da6690fd9dbd8bb6a1225897975f183aaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-12-07T18:18:56Z",
    "title_canon_sha256": "3579cae33524c4fc1878db37710fef3af23e1dd1d6b7ebf3515319888fa987b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1654",
    "kind": "arxiv",
    "version": 1
  }
}