Pith Number

pith:VAHATVWX

pith:2014:VAHATVWX5G7F4PFO2DV3WAFV3L

not attested not anchored not stored refs pending

Optimal Spectrum Access for a Rechargeable Cognitive Radio User Based on Energy Buffer State

Ahmed El Shafie, Amr Mohamed, Mahmoud Ashour, Tamer Khattab

arxiv:1409.1272 v1 · 2014-09-03 · cs.IT · cs.NI · 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{VAHATVWX5G7F4PFO2DV3WAFV3L}

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	2026-05-18T02:43:27.409091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a80e09d6d7e9be5e3caed0ebbb00b5daf5ac6fda3ea96a4e7b2644e62d14e467

Aliases

arxiv: 1409.1272 · arxiv_version: 1409.1272v1 · doi: 10.48550/arxiv.1409.1272 · pith_short_12: VAHATVWX5G7F · pith_short_16: VAHATVWX5G7F4PFO · pith_short_8: VAHATVWX

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/VAHATVWX5G7F4PFO2DV3WAFV3L \
  | 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: a80e09d6d7e9be5e3caed0ebbb00b5daf5ac6fda3ea96a4e7b2644e62d14e467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74296026355b4bad438d72a573947a242df4c93e2adce2dc54be0818611e7b3b",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-03T21:43:52Z",
    "title_canon_sha256": "f5c5375c3f6ac94eb009d6ef59f808b196a0332b6c7e6d180dcc7949bb0490a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1272",
    "kind": "arxiv",
    "version": 1
  }
}