Pith Number

pith:NDILDF65

pith:2016:NDILDF65RETZ6YPXCQ2WJCSMZG

not attested not anchored not stored refs pending

FoCUS: Fourier-based Coded Ultrasound

Almog Lahav, IEEE), Tanya Chernyakova (Student Member, Yonina C. Eldar (Fellow

arxiv:1612.01749 v1 · 2016-12-06 · 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{NDILDF65RETZ6YPXCQ2WJCSMZG}

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	2026-05-18T00:55:47.687383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d0b197dd89279f61f71435648a4cc9866b57357343f67a22cea25c84456131

Aliases

arxiv: 1612.01749 · arxiv_version: 1612.01749v1 · doi: 10.48550/arxiv.1612.01749 · pith_short_12: NDILDF65RETZ · pith_short_16: NDILDF65RETZ6YPX · pith_short_8: NDILDF65

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/NDILDF65RETZ6YPXCQ2WJCSMZG \
  | 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: 68d0b197dd89279f61f71435648a4cc9866b57357343f67a22cea25c84456131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "665868676159db9996c9d62ff3175fd82a5342d5081a1695c685d03c443b2ceb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-06T10:55:49Z",
    "title_canon_sha256": "cd7ba3c1b15aaea5228ccd20495aacaa2e203ffeebb9973a4601a16f8cebbca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01749",
    "kind": "arxiv",
    "version": 1
  }
}