Pith Number

pith:TJTMA4HH

pith:2015:TJTMA4HHTRM5KITD46VRG5ATOB

not attested not anchored not stored refs pending

Joint Frequency Estimation with Two Sub-Nyquist Sampling Sequences

Haijian Zhang, Hong Sun, Lei Yu, Shan Huang

arxiv:1508.05723 v2 · 2015-08-24 · 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{TJTMA4HHTRM5KITD46VRG5ATOB}

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	2026-05-18T01:34:43.374198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a66c070e79c59d52263e7ab1374137042a54ed6b721ee56db67bf33c0261e17

Aliases

arxiv: 1508.05723 · arxiv_version: 1508.05723v2 · doi: 10.48550/arxiv.1508.05723 · pith_short_12: TJTMA4HHTRM5 · pith_short_16: TJTMA4HHTRM5KITD · pith_short_8: TJTMA4HH

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/TJTMA4HHTRM5KITD46VRG5ATOB \
  | 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: 9a66c070e79c59d52263e7ab1374137042a54ed6b721ee56db67bf33c0261e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ab981f8730ffc87fc34fd7d32e16e0c0f9c5a9501775e3a76cba6c002406a3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-24T08:38:22Z",
    "title_canon_sha256": "d9f32fa501aee3c481add568c35ec545c5a5553c7c46ec8118e70d4b095107be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05723",
    "kind": "arxiv",
    "version": 2
  }
}