Pith Number

pith:V37VJOSP

pith:2007:V37VJOSPUW5I2KAW6BOZN4OVCX

not attested not anchored not stored refs pending

Compressed Sensing and Redundant Dictionaries

Holger Rauhut, Karin Schnass, Pierre Vandergheynst

arxiv:math/0701131 v2 · 2007-01-04 · math.PR · 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{V37VJOSPUW5I2KAW6BOZN4OVCX}

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	2026-05-18T04:36:42.380149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeff54ba4fa5ba8d2816f05d96f1d515e96dcb46a188751debb23602e8211e42

Aliases

arxiv: math/0701131 · arxiv_version: math/0701131v2 · doi: 10.48550/arxiv.math/0701131 · pith_short_12: V37VJOSPUW5I · pith_short_16: V37VJOSPUW5I2KAW · pith_short_8: V37VJOSP

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/V37VJOSPUW5I2KAW6BOZN4OVCX \
  | 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: aeff54ba4fa5ba8d2816f05d96f1d515e96dcb46a188751debb23602e8211e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9e525764f757de308c07d04db129b40d72ffd72daea11776ac1a4d68212073",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2007-01-04T09:13:40Z",
    "title_canon_sha256": "97cf66519f59b2b3b43c44831adac61c4434e39113790f3bc28aa3a7c596a115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701131",
    "kind": "arxiv",
    "version": 2
  }
}