Pith Number

pith:U6ELYAPR

pith:2009:U6ELYAPR2QONHTTRARI5WARQDF

not attested not anchored not stored refs pending

Theoretical Limits on Time Delay Estimation for Ultra-Wideband Cognitive Radios

Hasari Celebi, Huseyin Arslan, H. Vincent Poor, Sinan Gezici

arxiv:0906.3988 v1 · 2009-06-22 · 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{U6ELYAPR2QONHTTRARI5WARQDF}

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	2026-05-18T00:58:48.029094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a788bc01f1d41cd3ce710451db0230194fd8dec08788ae05415a4128f42744d4

Aliases

arxiv: 0906.3988 · arxiv_version: 0906.3988v1 · doi: 10.48550/arxiv.0906.3988 · pith_short_12: U6ELYAPR2QON · pith_short_16: U6ELYAPR2QONHTTR · pith_short_8: U6ELYAPR

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/U6ELYAPR2QONHTTRARI5WARQDF \
  | 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: a788bc01f1d41cd3ce710451db0230194fd8dec08788ae05415a4128f42744d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5e64e2d507214dc6d4e4169a690a64bb11a8fadcacfdae1264ed0d2e1abec9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-06-22T12:31:02Z",
    "title_canon_sha256": "ea0404d4d93325cba02a6e4026266a2d300ae5c54df2507cb3044584ecc662fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3988",
    "kind": "arxiv",
    "version": 1
  }
}