Pith Number

pith:F7WZF73N

pith:2013:F7WZF73NOEDXPD2GLH5UFPCZ7P

not attested not anchored not stored refs pending

On Finite Alphabet Compressive Sensing

Abhik Kumar Das, Sriram Vishwanath

arxiv:1303.3943 v1 · 2013-03-16 · 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{F7WZF73NOEDXPD2GLH5UFPCZ7P}

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	2026-05-18T03:30:40.454088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fed92ff6d7107778f4659fb42bc59fbe1f4a04911ceb5aed532d191caa01fa2

Aliases

arxiv: 1303.3943 · arxiv_version: 1303.3943v1 · doi: 10.48550/arxiv.1303.3943 · pith_short_12: F7WZF73NOEDX · pith_short_16: F7WZF73NOEDXPD2G · pith_short_8: F7WZF73N

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/F7WZF73NOEDXPD2GLH5UFPCZ7P \
  | 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: 2fed92ff6d7107778f4659fb42bc59fbe1f4a04911ceb5aed532d191caa01fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee12461b12ce5f45c84806dcf2c625e2df00e2e98d0e36973c5fceac2163de71",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-16T04:19:27Z",
    "title_canon_sha256": "667e8c91906b810fd8b45787dcb9759706d4fc116f550c138f3a707110d3c17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3943",
    "kind": "arxiv",
    "version": 1
  }
}