Pith Number

pith:K64GX3LR

pith:2017:K64GX3LRCAIEOJJMEIV7J3ARE7

not attested not anchored not stored refs pending

Phaseless Sampling and Reconstruction of Real-Valued Signals in Shift-Invariant Spaces

Cheng cheng, Junzheng Jiang, Qiyu Sun

arxiv:1702.06443 v1 · 2017-02-21 · cs.IT · math.IT · 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{K64GX3LRCAIEOJJMEIV7J3ARE7}

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	2026-05-18T00:50:14.132261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b86bed71101047252c222bf4ec1127f5aa498d6154caa81ba2a43f5cd3bfd4

Aliases

arxiv: 1702.06443 · arxiv_version: 1702.06443v1 · doi: 10.48550/arxiv.1702.06443 · pith_short_12: K64GX3LRCAIE · pith_short_16: K64GX3LRCAIEOJJM · pith_short_8: K64GX3LR

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/K64GX3LRCAIEOJJMEIV7J3ARE7 \
  | 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: 57b86bed71101047252c222bf4ec1127f5aa498d6154caa81ba2a43f5cd3bfd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b34b47eea26a3c141413875b9831105ffe8e084d162486b1f59a6d3e1c4f25",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-21T15:39:54Z",
    "title_canon_sha256": "9a90d3dd35e34e7eaf5213d5488623d0adef9fa747b8193d2444585642d5aa30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06443",
    "kind": "arxiv",
    "version": 1
  }
}