Pith Number

pith:IC37UESG

pith:2011:IC37UESG622BIT7WEXNF27BIUU

not attested not anchored not stored refs pending

Sampling, Filtering and Sparse Approximations on Combinatorial Graphs

Isaac Z. Pesenson, Meyer Z. Pesenson

arxiv:1111.5899 v1 · 2011-11-25 · cs.IT · math.FA · 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{IC37UESG622BIT7WEXNF27BIUU}

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	2026-05-18T04:07:41.510394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b7fa1246f6b4144ff625da5d7c28a5097f69e60e15605e1bd8498b805a4390

Aliases

arxiv: 1111.5899 · arxiv_version: 1111.5899v1 · doi: 10.48550/arxiv.1111.5899 · pith_short_12: IC37UESG622B · pith_short_16: IC37UESG622BIT7W · pith_short_8: IC37UESG

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/IC37UESG622BIT7WEXNF27BIUU \
  | 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: 40b7fa1246f6b4144ff625da5d7c28a5097f69e60e15605e1bd8498b805a4390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9ec4035de4032c08861e6b05be02acdd2a069b5e05bbe959117741d9c609d6",
    "cross_cats_sorted": [
      "math.FA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-25T06:19:57Z",
    "title_canon_sha256": "0d50b6fe3f72e4b2e631bfd0b6919b9938ea38c2281cf7c57f5a12524edaff14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5899",
    "kind": "arxiv",
    "version": 1
  }
}