Pith Number

pith:TXVFQIX5

pith:2014:TXVFQIX5USPAP2KZKCXRYTI4TZ

not attested not anchored not stored refs pending

The quest for optimal sampling: Computationally efficient, structure-exploiting measurements for compressed sensing

Anders C. Hansen, Ben Adcock, Bogdan Roman

arxiv:1403.6540 v2 · 2014-03-26 · math.FA · 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{TXVFQIX5USPAP2KZKCXRYTI4TZ}

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	2026-05-18T02:55:27.150364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dea5822fda49e07e95950af1c4d1c9e56963248220eef6fa986def8c695b756

Aliases

arxiv: 1403.6540 · arxiv_version: 1403.6540v2 · doi: 10.48550/arxiv.1403.6540 · pith_short_12: TXVFQIX5USPA · pith_short_16: TXVFQIX5USPAP2KZ · pith_short_8: TXVFQIX5

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/TXVFQIX5USPAP2KZKCXRYTI4TZ \
  | 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: 9dea5822fda49e07e95950af1c4d1c9e56963248220eef6fa986def8c695b756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5321810a56fc92ca339bb1c2e3cc68b14066608bf175257f3c50a263a75817",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-03-26T00:21:29Z",
    "title_canon_sha256": "2fd464fefa74b04581ea006524490238e30a3b4bc3251aba2a3aa8334efb031c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6540",
    "kind": "arxiv",
    "version": 2
  }
}