Pith Number

pith:FKR4MS7E

pith:2019:FKR4MS7ELR2XG5KPLHF6F3UHFB

not attested not anchored not stored refs pending

Close Encounters of the Binary Kind: Signal Reconstruction Guarantees for Compressive Hadamard Sampling with Haar Wavelet Basis

Amirafshar Moshtaghpour, Jos\'e M. Bioucas Dias, Laurent Jacques

arxiv:1907.09795 v1 · 2019-07-23 · cs.IT · math.IT

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

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	2026-05-17T23:39:50.016657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aa3c64be45c7573754f59cbe2ee8728583abb58beed43712da36a7bccd071f6

Aliases

arxiv: 1907.09795 · arxiv_version: 1907.09795v1 · doi: 10.48550/arxiv.1907.09795 · pith_short_12: FKR4MS7ELR2X · pith_short_16: FKR4MS7ELR2XG5KP · pith_short_8: FKR4MS7E

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/FKR4MS7ELR2XG5KPLHF6F3UHFB \
  | 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: 2aa3c64be45c7573754f59cbe2ee8728583abb58beed43712da36a7bccd071f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e353cd61220ce319ad5c8d2b78bfd5853a53c1f9ee6adb4b036965ceff6c74a5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-23T10:01:32Z",
    "title_canon_sha256": "62be83df44266f78e49701fb2ef346b10ecd5c80e00243f2a1a017bffaae412a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09795",
    "kind": "arxiv",
    "version": 1
  }
}