Pith Number

pith:QMMFYFGO

pith:2024:QMMFYFGOMAWHOZRTZCIPFA3P2I

not attested not anchored not stored refs pending

Generalized Step-Chirp Sequences With Flexible Bandwidth

Cheng Du, Yi Jiang

arxiv:2404.16327 v1 · 2024-04-25 · cs.IT · eess.SP · 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{QMMFYFGOMAWHOZRTZCIPFA3P2I}

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	2026-07-05T08:58:43.734376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83185c14ce602c776633c890f2836fd236611bf15f39bdbd8f1b40b6b0bd86a9

Aliases

arxiv: 2404.16327 · arxiv_version: 2404.16327v1 · doi: 10.48550/arxiv.2404.16327 · pith_short_12: QMMFYFGOMAWH · pith_short_16: QMMFYFGOMAWHOZRT · pith_short_8: QMMFYFGO

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/QMMFYFGOMAWHOZRTZCIPFA3P2I \
  | 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: 83185c14ce602c776633c890f2836fd236611bf15f39bdbd8f1b40b6b0bd86a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab86a81c150b3ae3712e30c4ea0ceda82687fecaa6c2220b9c07aaa559f181a4",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-04-25T04:27:25Z",
    "title_canon_sha256": "8af6e03d22d1002d6bae45a50c970f810b04bbc35d763a98c29c860e304fae6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16327",
    "kind": "arxiv",
    "version": 1
  }
}