Pith Number

pith:HRPD2CM6

pith:2017:HRPD2CM6OWAUXBFO6PJ7BAZX2O

not attested not anchored not stored refs pending

Uncertainty Principle and Sparse Reconstruction in Pairs of Orthonormal Rational Function Bases

Dan Xiong, Jingxin Zhang, Li Chai

arxiv:1712.02981 v1 · 2017-12-08 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRPD2CM6OWAUXBFO6PJ7BAZX2O}

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	2026-05-18T00:28:28.700255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c5e3d099e75814b84aef3d3f08337d380f605c2ed3f95b2c7c5d5541ee8834e

Aliases

arxiv: 1712.02981 · arxiv_version: 1712.02981v1 · doi: 10.48550/arxiv.1712.02981 · pith_short_12: HRPD2CM6OWAU · pith_short_16: HRPD2CM6OWAUXBFO · pith_short_8: HRPD2CM6

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/HRPD2CM6OWAUXBFO6PJ7BAZX2O \
  | 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: 3c5e3d099e75814b84aef3d3f08337d380f605c2ed3f95b2c7c5d5541ee8834e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aad082bae68962a646856527a83865b2aec4928fecd62da319ad8312e25d7bbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-12-08T08:50:48Z",
    "title_canon_sha256": "a7b4f8d62a9c52594770502a10873fd1cf02b5dbc9d060551a6412102454ece7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02981",
    "kind": "arxiv",
    "version": 1
  }
}