Pith Number

pith:XTQLXLIF

pith:2009:XTQLXLIFUDK34ZPD35QALSDBGV

not attested not anchored not stored refs pending

Time Delay Estimation from Low Rate Samples: A Union of Subspaces Approach

Kfir Gedalyahu, Yonina C. Eldar

arxiv:0905.2429 v3 · 2009-05-14 · 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{XTQLXLIFUDK34ZPD35QALSDBGV}

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	2026-05-18T04:32:09.668954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce0bbad05a0d5be65e3df6005c86135742bafc0b735f651574f5f8930f17e2f

Aliases

arxiv: 0905.2429 · arxiv_version: 0905.2429v3 · doi: 10.48550/arxiv.0905.2429 · pith_short_12: XTQLXLIFUDK3 · pith_short_16: XTQLXLIFUDK34ZPD · pith_short_8: XTQLXLIF

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/XTQLXLIFUDK34ZPD35QALSDBGV \
  | 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: bce0bbad05a0d5be65e3df6005c86135742bafc0b735f651574f5f8930f17e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43e730fcc7836cc7067166d7837fa30baadd2cf731e587b41e9038463e8248d4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-05-14T21:15:49Z",
    "title_canon_sha256": "206a650d5003d7626b7de5d7ebfd80bf5d9e3591b526318c74f8406dde08a8b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2429",
    "kind": "arxiv",
    "version": 3
  }
}