Pith Number

pith:7BOQ7JAW

pith:2014:7BOQ7JAWJJJSQMSHRZYPYXLYIL

not attested not anchored not stored refs pending

Uniform recovery of fusion frame structured sparse signals

Holger Rauhut, Sjoerd Dirksen, Ula\c{s} Ayaz

arxiv:1407.7680 v1 · 2014-07-29 · cs.IT · 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{7BOQ7JAWJJJSQMSHRZYPYXLYIL}

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	2026-05-18T02:46:22.044154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85d0fa4164a532832478e70fc5d7842d0ecb2e39e37426a72ca082cc81607a7

Aliases

arxiv: 1407.7680 · arxiv_version: 1407.7680v1 · doi: 10.48550/arxiv.1407.7680 · pith_short_12: 7BOQ7JAWJJJS · pith_short_16: 7BOQ7JAWJJJSQMSH · pith_short_8: 7BOQ7JAW

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/7BOQ7JAWJJJSQMSHRZYPYXLYIL \
  | 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: f85d0fa4164a532832478e70fc5d7842d0ecb2e39e37426a72ca082cc81607a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4adcd3bb1eb63d58c2c1375928029b4557cdb908c39d42365a0a53736cc75b2f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-29T10:11:30Z",
    "title_canon_sha256": "99e04c0433973598b5380be4c302b27e7d1ed5e862a29f588ddca6c048f6ce59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7680",
    "kind": "arxiv",
    "version": 1
  }
}