Pith Number

pith:TCOTT2KY

pith:2013:TCOTT2KYPMTIOFBN2GDQDBWWRI

not attested not anchored not stored refs pending

Blind Adaptive Constrained Constant-Modulus Reduced-Rank Interference Suppression Algorithms Based on Interpolation, Switched Decimation and Filtering

Martin Haardt, Raimundo Sampaio-Neto, Rodrigo C. de Lamare

arxiv:1301.1712 v1 · 2013-01-08 · 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{TCOTT2KYPMTIOFBN2GDQDBWWRI}

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	2026-05-18T03:36:56.051205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989d39e9587b2687142dd1870186d68a3dee66e19d17442a1d420b1cc34002c9

Aliases

arxiv: 1301.1712 · arxiv_version: 1301.1712v1 · doi: 10.48550/arxiv.1301.1712 · pith_short_12: TCOTT2KYPMTI · pith_short_16: TCOTT2KYPMTIOFBN · pith_short_8: TCOTT2KY

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/TCOTT2KYPMTIOFBN2GDQDBWWRI \
  | 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: 989d39e9587b2687142dd1870186d68a3dee66e19d17442a1d420b1cc34002c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5043d1174a36b2c30939d50b33abc9bef862323d8cb76a9b35fb7c55c4d7dfd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-08T22:42:54Z",
    "title_canon_sha256": "31f1d0e5e2afb75c59abccd26a90815ca5262f84ccdd85b5bc20c2f58d394fb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1712",
    "kind": "arxiv",
    "version": 1
  }
}